189480639311 has 4 divisors (see below), whose sum is σ = 189594992592. Its totient is φ = 189366286032.

The previous prime is 189480639289. The next prime is 189480639347. The reversal of 189480639311 is 113936084981.

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

It is a cyclic number.

It is not a de Polignac number, because 189480639311 - 2¹⁴ = 189480622927 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 (189480639391) 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, 57174155 + ... + 57177468.

It is an arithmetic number, because the mean of its divisors is an integer number (47398748148).

Almost surely, 2^189480639311 is an apocalyptic number.

189480639311 is a deficient number, since it is larger than the sum of its proper divisors (114353281).

189480639311 is a wasteful number, since it uses less digits than its factorization.

189480639311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114353280.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 189480639311 in words is "one hundred eighty-nine billion, four hundred eighty million, six hundred thirty-nine thousand, three hundred eleven".