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1369710197 is a prime number
BaseRepresentation
bin101000110100100…
…0001111001110101
310112110100111011022
41101221001321311
510301121211242
6343525350525
745641226122
oct12151017165
93473314138
101369710197
116431905a9
12322868445
1318aa0490b
14cdca9749
15803b00d2
hex51a41e75

1369710197 has 2 divisors, whose sum is σ = 1369710198. Its totient is φ = 1369710196.

The previous prime is 1369710157. The next prime is 1369710211. The reversal of 1369710197 is 7910179631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026497521 + 343212676 = 32039^2 + 18526^2 .

It is an emirp because it is prime and its reverse (7910179631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1369710197 - 218 = 1369448053 is a prime.

It is a super-2 number, since 2×13697101972 = 3752212047531557618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369710157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684855098 + 684855099.

It is an arithmetic number, because the mean of its divisors is an integer number (684855099).

Almost surely, 21369710197 is an apocalyptic number.

It is an amenable number.

1369710197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369710197 is an equidigital number, since it uses as much as digits as its factorization.

1369710197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 1369710197 is about 37009.5960123858. The cubic root of 1369710197 is about 1110.5622228249.

The spelling of 1369710197 in words is "one billion, three hundred sixty-nine million, seven hundred ten thousand, one hundred ninety-seven".