49183139475 has 72 divisors (see below), whose sum is σ = 90462112832. Its totient is φ = 25534310400.

The previous prime is 49183139459. The next prime is 49183139479. The reversal of 49183139475 is 57493138194.

49183139475 is a `hidden beast` number, since 4 + 9 + 183 + 1 + 394 + 75 = 666.

It is not a de Polignac number, because 49183139475 - 2⁴ = 49183139459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49183139479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1312854 + ... + 1349796.

Almost surely, 2^49183139475 is an apocalyptic number.

49183139475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49183139475 is a deficient number, since it is larger than the sum of its proper divisors (41278973357).

49183139475 is a wasteful number, since it uses less digits than its factorization.

49183139475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37117 (or 37109 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 49183139475 in words is "forty-nine billion, one hundred eighty-three million, one hundred thirty-nine thousand, four hundred seventy-five".