18969485036 has 12 divisors (see below), whose sum is σ = 33822950112. Its totient is φ = 9305785008.

The previous prime is 18969485011. The next prime is 18969485167. The reversal of 18969485036 is 63058496981.

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, 44739140 + ... + 44739563.

It is an arithmetic number, because the mean of its divisors is an integer number (2818579176).

Almost surely, 2^18969485036 is an apocalyptic number.

It is an amenable number.

18969485036 is a deficient number, since it is larger than the sum of its proper divisors (14853465076).

18969485036 is a wasteful number, since it uses less digits than its factorization.

18969485036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89478760 (or 89478758 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 18969485036 in words is "eighteen billion, nine hundred sixty-nine million, four hundred eighty-five thousand, thirty-six".