189922600403 has 4 divisors (see below), whose sum is σ = 199918526760. Its totient is φ = 179926674048.

The previous prime is 189922600393. The next prime is 189922600409. The reversal of 189922600403 is 304006229981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189922600403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189922600409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4997963150 + ... + 4997963187.

It is an arithmetic number, because the mean of its divisors is an integer number (49979631690).

Almost surely, 2^189922600403 is an apocalyptic number.

189922600403 is a deficient number, since it is larger than the sum of its proper divisors (9995926357).

189922600403 is an equidigital number, since it uses as much as digits as its factorization.

189922600403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995926356.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 189922600403 in words is "one hundred eighty-nine billion, nine hundred twenty-two million, six hundred thousand, four hundred three".