13735765997 has 2 divisors, whose sum is σ = 13735765998. Its totient is φ = 13735765996.

The previous prime is 13735765993. The next prime is 13735766021. The reversal of 13735765997 is 79956753731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9898459081 + 3837306916 = 99491^2 + 61946^2 .

It is a cyclic number.

It is not a de Polignac number, because 13735765997 - 2² = 13735765993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13735765993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6867882998 + 6867882999.

It is an arithmetic number, because the mean of its divisors is an integer number (6867882999).

Almost surely, 2^13735765997 is an apocalyptic number.

It is an amenable number.

13735765997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13735765997 is an equidigital number, since it uses as much as digits as its factorization.

13735765997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37507050, while the sum is 62.

The spelling of 13735765997 in words is "thirteen billion, seven hundred thirty-five million, seven hundred sixty-five thousand, nine hundred ninety-seven".