189613576253 has 4 divisors (see below), whose sum is σ = 189744616800. Its totient is φ = 189482535708.

The previous prime is 189613576247. The next prime is 189613576261. The reversal of 189613576253 is 352675316981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189613576253 - 2⁴ = 189613576237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189613576553) 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, 65518103 + ... + 65520996.

It is an arithmetic number, because the mean of its divisors is an integer number (47436154200).

Almost surely, 2^189613576253 is an apocalyptic number.

It is an amenable number.

189613576253 is a deficient number, since it is larger than the sum of its proper divisors (131040547).

189613576253 is a wasteful number, since it uses less digits than its factorization.

189613576253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131040546.

The product of its digits is 8164800, while the sum is 56.

The spelling of 189613576253 in words is "one hundred eighty-nine billion, six hundred thirteen million, five hundred seventy-six thousand, two hundred fifty-three".