49432415851 has 32 divisors (see below), whose sum is σ = 61297295360. Its totient is φ = 38818289664.

The previous prime is 49432415821. The next prime is 49432415869. The reversal of 49432415851 is 15851423494.

It is not a de Polignac number, because 49432415851 - 2⁷ = 49432415723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49432415821) 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 31 ways as a sum of consecutive naturals, for example, 8128630 + ... + 8134708.

It is an arithmetic number, because the mean of its divisors is an integer number (1915540480).

Almost surely, 2^49432415851 is an apocalyptic number.

49432415851 is a deficient number, since it is larger than the sum of its proper divisors (11864879509).

49432415851 is a wasteful number, since it uses less digits than its factorization.

49432415851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755.

The product of its digits is 691200, while the sum is 46.

The spelling of 49432415851 in words is "forty-nine billion, four hundred thirty-two million, four hundred fifteen thousand, eight hundred fifty-one".