38321247994 has 16 divisors (see below), whose sum is σ = 58710716928. Its totient is φ = 18751090032.

The previous prime is 38321247971. The next prime is 38321248001. The reversal of 38321247994 is 49974212383.

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, 1772719 + ... + 1794205.

It is an arithmetic number, because the mean of its divisors is an integer number (3669419808).

Almost surely, 2^38321247994 is an apocalyptic number.

38321247994 is a deficient number, since it is larger than the sum of its proper divisors (20389468934).

38321247994 is a wasteful number, since it uses less digits than its factorization.

38321247994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40509.

The product of its digits is 2612736, while the sum is 52.

The spelling of 38321247994 in words is "thirty-eight billion, three hundred twenty-one million, two hundred forty-seven thousand, nine hundred ninety-four".