13630134737 has 2 divisors, whose sum is σ = 13630134738. Its totient is φ = 13630134736.

The previous prime is 13630134667. The next prime is 13630134767. The reversal of 13630134737 is 73743103631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13381631041 + 248503696 = 115679^2 + 15764^2 .

It is a cyclic number.

It is not a de Polignac number, because 13630134737 - 2²⁰ = 13629086161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13630134737.

It is not a weakly prime, because it can be changed into another prime (13630134767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815067368 + 6815067369.

It is an arithmetic number, because the mean of its divisors is an integer number (6815067369).

Almost surely, 2^13630134737 is an apocalyptic number.

It is an amenable number.

13630134737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630134737 is an equidigital number, since it uses as much as digits as its factorization.

13630134737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 13630134737 in words is "thirteen billion, six hundred thirty million, one hundred thirty-four thousand, seven hundred thirty-seven".