38018951642 has 16 divisors (see below), whose sum is σ = 65194749312. Its totient is φ = 16288985520.

The previous prime is 38018951627. The next prime is 38018951651. The reversal of 38018951642 is 24615981083.

It is a happy number.

38018951642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355334 + ... + 449777.

It is an arithmetic number, because the mean of its divisors is an integer number (4074671832).

Almost surely, 2^38018951642 is an apocalyptic number.

38018951642 is a deficient number, since it is larger than the sum of its proper divisors (27175797670).

38018951642 is a wasteful number, since it uses less digits than its factorization.

38018951642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808493.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 38018951642 in words is "thirty-eight billion, eighteen million, nine hundred fifty-one thousand, six hundred forty-two".