18974805695 has 16 divisors (see below), whose sum is σ = 23089844448. Its totient is φ = 14967937920.

The previous prime is 18974805683. The next prime is 18974805739. The reversal of 18974805695 is 59650847981.

It is not a de Polignac number, because 18974805695 - 2⁶ = 18974805631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10577 + ... + 195093.

It is an arithmetic number, because the mean of its divisors is an integer number (1443115278).

Almost surely, 2^18974805695 is an apocalyptic number.

18974805695 is a deficient number, since it is larger than the sum of its proper divisors (4115038753).

18974805695 is a wasteful number, since it uses less digits than its factorization.

18974805695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184810.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 18974805695 in words is "eighteen billion, nine hundred seventy-four million, eight hundred five thousand, six hundred ninety-five".