49189679153 has 4 divisors (see below), whose sum is σ = 49306519668. Its totient is φ = 49072838640.

The previous prime is 49189679131. The next prime is 49189679167. The reversal of 49189679153 is 35197698194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35197698194 = 2 ⋅17598849097.

It can be written as a sum of positive squares in 2 ways, for example, as 6426747889 + 42762931264 = 80167^2 + 206792^2 .

It is a cyclic number.

It is not a de Polignac number, because 49189679153 - 2²⁸ = 48921243697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49189679053) 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, 58419626 + ... + 58420467.

It is an arithmetic number, because the mean of its divisors is an integer number (12326629917).

Almost surely, 2^49189679153 is an apocalyptic number.

It is an amenable number.

49189679153 is a deficient number, since it is larger than the sum of its proper divisors (116840515).

49189679153 is a wasteful number, since it uses less digits than its factorization.

49189679153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116840514.

The product of its digits is 14696640, while the sum is 62.

The spelling of 49189679153 in words is "forty-nine billion, one hundred eighty-nine million, six hundred seventy-nine thousand, one hundred fifty-three".