18269634396 has 48 divisors (see below), whose sum is σ = 46070643584. Its totient is φ = 5601548736.

The previous prime is 18269634389. The next prime is 18269634421. The reversal of 18269634396 is 69343696281.

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, 162766 + ... + 251061.

Almost surely, 2^18269634396 is an apocalyptic number.

It is an amenable number.

18269634396 is an abundant number, since it is smaller than the sum of its proper divisors (27801009188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18269634396 is a wasteful number, since it uses less digits than its factorization.

18269634396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414130 (or 414128 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 57.

The spelling of 18269634396 in words is "eighteen billion, two hundred sixty-nine million, six hundred thirty-four thousand, three hundred ninety-six".