213924635793 has 32 divisors (see below), whose sum is σ = 356889600000. Its totient is φ = 125468989200.

The previous prime is 213924635789. The next prime is 213924635807. The reversal of 213924635793 is 397536429312.

213924635793 is a `hidden beast` number, since 2 + 1 + 3 + 9 + 2 + 4 + 63 + 579 + 3 = 666.

It is not a de Polignac number, because 213924635793 - 2² = 213924635789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213924635713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11608293 + ... + 11626706.

It is an arithmetic number, because the mean of its divisors is an integer number (11152800000).

Almost surely, 2^213924635793 is an apocalyptic number.

It is an amenable number.

213924635793 is a deficient number, since it is larger than the sum of its proper divisors (142964964207).

213924635793 is a wasteful number, since it uses less digits than its factorization.

213924635793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235050 (or 23235044 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The spelling of 213924635793 in words is "two hundred thirteen billion, nine hundred twenty-four million, six hundred thirty-five thousand, seven hundred ninety-three".