38669055431 has 2 divisors, whose sum is σ = 38669055432. Its totient is φ = 38669055430.

The previous prime is 38669055361. The next prime is 38669055449. The reversal of 38669055431 is 13455096683.

It is a happy number.

38669055431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38669055431 - 2¹⁸ = 38668793287 is a prime.

It is a super-2 number, since 2×38669055431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38669055431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38669055461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19334527715 + 19334527716.

It is an arithmetic number, because the mean of its divisors is an integer number (19334527716).

Almost surely, 2^38669055431 is an apocalyptic number.

38669055431 is a deficient number, since it is larger than the sum of its proper divisors (1).

38669055431 is an equidigital number, since it uses as much as digits as its factorization.

38669055431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 38669055431 in words is "thirty-eight billion, six hundred sixty-nine million, fifty-five thousand, four hundred thirty-one".