38310913641 has 48 divisors (see below), whose sum is σ = 69104212352. Its totient is φ = 18370851840.

The previous prime is 38310913639. The next prime is 38310913673. The reversal of 38310913641 is 14631901383.

It is not a de Polignac number, because 38310913641 - 2¹ = 38310913639 is a prime.

It is a super-2 number, since 2×38310913641² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 38310913641.

It is not an unprimeable number, because it can be changed into a prime (38310913691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 546856 + ... + 612921.

Almost surely, 2^38310913641 is an apocalyptic number.

It is an amenable number.

38310913641 is a deficient number, since it is larger than the sum of its proper divisors (30793298711).

38310913641 is a wasteful number, since it uses less digits than its factorization.

38310913641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159822 (or 1159811 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 38310913641 in words is "thirty-eight billion, three hundred ten million, nine hundred thirteen thousand, six hundred forty-one".