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1369307190281 is a prime number
BaseRepresentation
bin10011111011010001000…
…100011001010000001001
311211220102101001111211112
4103323101010121100021
5134413320120042111
62525015005140105
7200633465034542
oct23732104312011
94756371044745
101369307190281
114887a1236048
121a146a25a635
139c181b4c3c4
144a3bc1794c9
15259437d3e8b
hex13ed1119409

1369307190281 has 2 divisors, whose sum is σ = 1369307190282. Its totient is φ = 1369307190280.

The previous prime is 1369307190269. The next prime is 1369307190289. The reversal of 1369307190281 is 1820917039631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067264617225 + 302042573056 = 1033085^2 + 549584^2 .

It is an emirp because it is prime and its reverse (1820917039631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1369307190281 - 26 = 1369307190217 is a prime.

It is a super-2 number, since 2×13693071902812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1369307190289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684653595140 + 684653595141.

It is an arithmetic number, because the mean of its divisors is an integer number (684653595141).

Almost surely, 21369307190281 is an apocalyptic number.

It is an amenable number.

1369307190281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369307190281 is an equidigital number, since it uses as much as digits as its factorization.

1369307190281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 1369307190281 in words is "one trillion, three hundred sixty-nine billion, three hundred seven million, one hundred ninety thousand, two hundred eighty-one".