18634830452 has 96 divisors (see below), whose sum is σ = 38285205504. Its totient is φ = 7772889600.

The previous prime is 18634830443. The next prime is 18634830457. The reversal of 18634830452 is 25403843681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18634830457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68763077 + ... + 68763347.

It is an arithmetic number, because the mean of its divisors is an integer number (398804224).

Almost surely, 2^18634830452 is an apocalyptic number.

It is an amenable number.

18634830452 is an abundant number, since it is smaller than the sum of its proper divisors (19650375052).

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

18634830452 is a wasteful number, since it uses less digits than its factorization.

18634830452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 18634830452 in words is "eighteen billion, six hundred thirty-four million, eight hundred thirty thousand, four hundred fifty-two".