38631013297 has 2 divisors, whose sum is σ = 38631013298. Its totient is φ = 38631013296.

The previous prime is 38631013277. The next prime is 38631013307. The reversal of 38631013297 is 79231013683.

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., 37078968481 + 1552044816 = 192559^2 + 39396^2 .

It is a cyclic number.

It is not a de Polignac number, because 38631013297 - 2²⁷ = 38496795569 is a prime.

It is a super-3 number, since 3×38631013297³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (38631013277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19315506648 + 19315506649.

It is an arithmetic number, because the mean of its divisors is an integer number (19315506649).

Almost surely, 2^38631013297 is an apocalyptic number.

It is an amenable number.

38631013297 is a deficient number, since it is larger than the sum of its proper divisors (1).

38631013297 is an equidigital number, since it uses as much as digits as its factorization.

38631013297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 38631013297 in words is "thirty-eight billion, six hundred thirty-one million, thirteen thousand, two hundred ninety-seven".