189520520433 has 8 divisors (see below), whose sum is σ = 252723571488. Its totient is φ = 126332241504.

The previous prime is 189520520407. The next prime is 189520520507. The reversal of 189520520433 is 334025025981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189520520433 - 2⁵ = 189520520401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189520527433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3663060 + ... + 3714437.

It is an arithmetic number, because the mean of its divisors is an integer number (31590446436).

Almost surely, 2^189520520433 is an apocalyptic number.

It is an amenable number.

189520520433 is a deficient number, since it is larger than the sum of its proper divisors (63203051055).

189520520433 is an equidigital number, since it uses as much as digits as its factorization.

189520520433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386063.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 189520520433 in words is "one hundred eighty-nine billion, five hundred twenty million, five hundred twenty thousand, four hundred thirty-three".