49279553613 has 12 divisors (see below), whose sum is σ = 71193133440. Its totient is φ = 32847702216.

The previous prime is 49279553569. The next prime is 49279553677. The reversal of 49279553613 is 31635597294.

49279553613 is a `hidden beast` number, since 4 + 9 + 2 + 7 + 95 + 536 + 13 = 666.

It is not a de Polignac number, because 49279553613 - 2²⁸ = 49011118157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49279553613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49279553413) 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 11 ways as a sum of consecutive naturals, for example, 385533 + ... + 497186.

It is an arithmetic number, because the mean of its divisors is an integer number (5932761120).

Almost surely, 2^49279553613 is an apocalyptic number.

It is an amenable number.

49279553613 is a deficient number, since it is larger than the sum of its proper divisors (21913579827).

49279553613 is a wasteful number, since it uses less digits than its factorization.

49279553613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888928 (or 888925 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The spelling of 49279553613 in words is "forty-nine billion, two hundred seventy-nine million, five hundred fifty-three thousand, six hundred thirteen".