21114793018 has 8 divisors (see below), whose sum is σ = 34551479520. Its totient is φ = 9597633180.

The previous prime is 21114792989. The next prime is 21114793039. The reversal of 21114793018 is 81039741112.

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

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, 479881638 + ... + 479881681.

It is an arithmetic number, because the mean of its divisors is an integer number (4318934940).

Almost surely, 2^21114793018 is an apocalyptic number.

21114793018 is a deficient number, since it is larger than the sum of its proper divisors (13436686502).

21114793018 is a wasteful number, since it uses less digits than its factorization.

21114793018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959763332.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 21114793018 in words is "twenty-one billion, one hundred fourteen million, seven hundred ninety-three thousand, eighteen".