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1268092957349 is a prime number
BaseRepresentation
bin10010011101000000001…
…110101111001010100101
311111020011120121202010202
4102131000032233022211
5131234023244113344
62410315345000245
7160421345201411
oct22350016571245
94436146552122
101268092957349
11449882462859
12185921923085
139277190404a
1445539b61d41
1522ebcb9b94e
hex127403af2a5

1268092957349 has 2 divisors, whose sum is σ = 1268092957350. Its totient is φ = 1268092957348.

The previous prime is 1268092957333. The next prime is 1268092957441. The reversal of 1268092957349 is 9437592908621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727706245249 + 540386712100 = 853057^2 + 735110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1268092957349 - 24 = 1268092957333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268092957309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634046478674 + 634046478675.

It is an arithmetic number, because the mean of its divisors is an integer number (634046478675).

It is a 1-persistent number, because it is pandigital, but 2⋅1268092957349 = 2536185914698 is not.

Almost surely, 21268092957349 is an apocalyptic number.

It is an amenable number.

1268092957349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268092957349 is an equidigital number, since it uses as much as digits as its factorization.

1268092957349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 1268092957349 in words is "one trillion, two hundred sixty-eight billion, ninety-two million, nine hundred fifty-seven thousand, three hundred forty-nine".