18950013292 has 12 divisors (see below), whose sum is σ = 37900026640. Its totient is φ = 8121434256.

The previous prime is 18950013287. The next prime is 18950013293. The reversal of 18950013292 is 29231005981.

18950013292 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18950013293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338393067 + ... + 338393122.

Almost surely, 2^18950013292 is an apocalyptic number.

It is an amenable number.

18950013292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18950013292 is a wasteful number, since it uses less digits than its factorization.

18950013292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676786200 (or 676786198 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 18950013292 in words is "eighteen billion, nine hundred fifty million, thirteen thousand, two hundred ninety-two".