38493747902 has 8 divisors (see below), whose sum is σ = 57843182376. Its totient is φ = 19212687112.

The previous prime is 38493747857. The next prime is 38493747931. The reversal of 38493747902 is 20974739483.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 17092013 + ... + 17094264.

It is an arithmetic number, because the mean of its divisors is an integer number (7230397797).

Almost surely, 2^38493747902 is an apocalyptic number.

38493747902 is a deficient number, since it is larger than the sum of its proper divisors (19349434474).

38493747902 is a wasteful number, since it uses less digits than its factorization.

38493747902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34186842.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 38493747902 in words is "thirty-eight billion, four hundred ninety-three million, seven hundred forty-seven thousand, nine hundred two".