49137445385 has 16 divisors (see below), whose sum is σ = 67431576576. Its totient is φ = 33672708288.

The previous prime is 49137445307. The next prime is 49137445397. The reversal of 49137445385 is 58354473194.

It is a cyclic number.

It is not a de Polignac number, because 49137445385 - 2²² = 49133251081 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 393122 + ... + 502811.

It is an arithmetic number, because the mean of its divisors is an integer number (4214473536).

Almost surely, 2^49137445385 is an apocalyptic number.

It is an amenable number.

49137445385 is a deficient number, since it is larger than the sum of its proper divisors (18294131191).

49137445385 is a wasteful number, since it uses less digits than its factorization.

49137445385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897512.

The product of its digits is 7257600, while the sum is 53.

The spelling of 49137445385 in words is "forty-nine billion, one hundred thirty-seven million, four hundred forty-five thousand, three hundred eighty-five".