149269695879 has 4 divisors (see below), whose sum is σ = 199026261176. Its totient is φ = 99513130584.

The previous prime is 149269695863. The next prime is 149269695907. The reversal of 149269695879 is 978596962941.

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

It is not a de Polignac number, because 149269695879 - 2⁴ = 149269695863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149269695879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149269695829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24878282644 + ... + 24878282649.

It is an arithmetic number, because the mean of its divisors is an integer number (49756565294).

Almost surely, 2^149269695879 is an apocalyptic number.

149269695879 is a deficient number, since it is larger than the sum of its proper divisors (49756565297).

149269695879 is an equidigital number, since it uses as much as digits as its factorization.

149269695879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49756565296.

The product of its digits is 529079040, while the sum is 75.

The spelling of 149269695879 in words is "one hundred forty-nine billion, two hundred sixty-nine million, six hundred ninety-five thousand, eight hundred seventy-nine".