189298900635 has 32 divisors (see below), whose sum is σ = 326903169600. Its totient is φ = 92985704448.

The previous prime is 189298900603. The next prime is 189298900669. The reversal of 189298900635 is 536009892981.

It is a happy number.

It is not a de Polignac number, because 189298900635 - 2⁵ = 189298900603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993474 + ... + 1168583.

It is an arithmetic number, because the mean of its divisors is an integer number (10215724050).

Almost surely, 2^189298900635 is an apocalyptic number.

189298900635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189298900635 is a deficient number, since it is larger than the sum of its proper divisors (137604268965).

189298900635 is a wasteful number, since it uses less digits than its factorization.

189298900635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162527.

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 189298900635 in words is "one hundred eighty-nine billion, two hundred ninety-eight million, nine hundred thousand, six hundred thirty-five".