38213618810 has 32 divisors (see below), whose sum is σ = 73251704592. Its totient is φ = 14303134720.

The previous prime is 38213618789. The next prime is 38213618813. The reversal of 38213618810 is 1881631283.

It can be written as a sum of positive squares in 8 ways, for example, as 18555615961 + 19658002849 = 136219^2 + 140207^2 .

It is a super-2 number, since 2×38213618810² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38213618813) 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 in 15 ways as a sum of consecutive naturals, for example, 620261 + ... + 679080.

Almost surely, 2^38213618810 is an apocalyptic number.

38213618810 is a deficient number, since it is larger than the sum of its proper divisors (35038085782).

38213618810 is a wasteful number, since it uses less digits than its factorization.

38213618810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299538.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 38213618810 in words is "thirty-eight billion, two hundred thirteen million, six hundred eighteen thousand, eight hundred ten".