38185638364 has 12 divisors (see below), whose sum is σ = 66828991824. Its totient is φ = 19091640704.

The previous prime is 38185638349. The next prime is 38185638383. The reversal of 38185638364 is 46383658183.

It is a super-3 number, since 3×38185638364³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219592 + ... + 352975.

It is an arithmetic number, because the mean of its divisors is an integer number (5569082652).

Almost surely, 2^38185638364 is an apocalyptic number.

It is an amenable number.

38185638364 is a deficient number, since it is larger than the sum of its proper divisors (28643353460).

38185638364 is a wasteful number, since it uses less digits than its factorization.

38185638364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589244 (or 589242 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 55.

The spelling of 38185638364 in words is "thirty-eight billion, one hundred eighty-five million, six hundred thirty-eight thousand, three hundred sixty-four".