13677794497 has 2 divisors, whose sum is σ = 13677794498. Its totient is φ = 13677794496.

The previous prime is 13677794489. The next prime is 13677794531. The reversal of 13677794497 is 79449777631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13107731121 + 570063376 = 114489^2 + 23876^2 .

It is a cyclic number.

It is not a de Polignac number, because 13677794497 - 2³ = 13677794489 is a prime.

It is not a weakly prime, because it can be changed into another prime (13677794447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838897248 + 6838897249.

It is an arithmetic number, because the mean of its divisors is an integer number (6838897249).

Almost surely, 2^13677794497 is an apocalyptic number.

It is an amenable number.

13677794497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13677794497 is an equidigital number, since it uses as much as digits as its factorization.

13677794497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56010528, while the sum is 64.

The spelling of 13677794497 in words is "thirteen billion, six hundred seventy-seven million, seven hundred ninety-four thousand, four hundred ninety-seven".