149855983199 has 4 divisors (see below), whose sum is σ = 161383366536. Its totient is φ = 138328599864.

The previous prime is 149855983177. The next prime is 149855983217. The reversal of 149855983199 is 991389558941.

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

It is not a de Polignac number, because 149855983199 - 2²⁰ = 149854934623 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 (149855983169) 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, 5763691649 + ... + 5763691674.

It is an arithmetic number, because the mean of its divisors is an integer number (40345841634).

Almost surely, 2^149855983199 is an apocalyptic number.

149855983199 is a deficient number, since it is larger than the sum of its proper divisors (11527383337).

149855983199 is a wasteful number, since it uses less digits than its factorization.

149855983199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11527383336.

The product of its digits is 125971200, while the sum is 71.

The spelling of 149855983199 in words is "one hundred forty-nine billion, eight hundred fifty-five million, nine hundred eighty-three thousand, one hundred ninety-nine".