18597946994 has 32 divisors (see below), whose sum is σ = 33262659072. Its totient is φ = 7699680000.

The previous prime is 18597946987. The next prime is 18597946999. The reversal of 18597946994 is 49964979581.

It is not an unprimeable number, because it can be changed into a prime (18597946999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790457 + ... + 813644.

It is an arithmetic number, because the mean of its divisors is an integer number (1039458096).

Almost surely, 2^18597946994 is an apocalyptic number.

18597946994 is a deficient number, since it is larger than the sum of its proper divisors (14664712078).

18597946994 is a wasteful number, since it uses less digits than its factorization.

18597946994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604162.

The product of its digits is 176359680, while the sum is 71.

The spelling of 18597946994 in words is "eighteen billion, five hundred ninety-seven million, nine hundred forty-six thousand, nine hundred ninety-four".