189951962113 has 8 divisors (see below), whose sum is σ = 195607478528. Its totient is φ = 184352719824.

The previous prime is 189951962069. The next prime is 189951962141. The reversal of 189951962113 is 311269159981.

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

It is a cyclic number.

It is not a de Polignac number, because 189951962113 - 2⁹ = 189951961601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189951962513) 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, 14061681 + ... + 14075182.

It is an arithmetic number, because the mean of its divisors is an integer number (24450934816).

Almost surely, 2^189951962113 is an apocalyptic number.

It is an amenable number.

189951962113 is a deficient number, since it is larger than the sum of its proper divisors (5655516415).

189951962113 is a wasteful number, since it uses less digits than its factorization.

189951962113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28137063.

The product of its digits is 1049760, while the sum is 55.

The spelling of 189951962113 in words is "one hundred eighty-nine billion, nine hundred fifty-one million, nine hundred sixty-two thousand, one hundred thirteen".