18534114850 has 48 divisors (see below), whose sum is σ = 36581942088. Its totient is φ = 6962135040.

The previous prime is 18534114847. The next prime is 18534114857. The reversal of 18534114850 is 5841143581.

It can be written as a sum of positive squares in 12 ways, for example, as 2418574041 + 16115540809 = 49179^2 + 126947^2 .

It is not an unprimeable number, because it can be changed into a prime (18534114857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364594 + ... + 412306.

Almost surely, 2^18534114850 is an apocalyptic number.

18534114850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18534114850 is a deficient number, since it is larger than the sum of its proper divisors (18047827238).

18534114850 is a wasteful number, since it uses less digits than its factorization.

18534114850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48199 (or 48194 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 18534114850 in words is "eighteen billion, five hundred thirty-four million, one hundred fourteen thousand, eight hundred fifty".