38863496431 has 2 divisors, whose sum is σ = 38863496432. Its totient is φ = 38863496430.

The previous prime is 38863496423. The next prime is 38863496461. The reversal of 38863496431 is 13469436883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38863496431 - 2³ = 38863496423 is a prime.

It is a super-2 number, since 2×38863496431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38863496461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19431748215 + 19431748216.

It is an arithmetic number, because the mean of its divisors is an integer number (19431748216).

Almost surely, 2^38863496431 is an apocalyptic number.

38863496431 is a deficient number, since it is larger than the sum of its proper divisors (1).

38863496431 is an equidigital number, since it uses as much as digits as its factorization.

38863496431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 55.

The spelling of 38863496431 in words is "thirty-eight billion, eight hundred sixty-three million, four hundred ninety-six thousand, four hundred thirty-one".