47618044749 has 32 divisors (see below), whose sum is σ = 77132390400. Its totient is φ = 28794196080.

The previous prime is 47618044723. The next prime is 47618044751. The reversal of 47618044749 is 94744081674.

It is a de Polignac number, because none of the positive numbers 2^k-47618044749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47618044695 and 47618044704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47618044049) 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 31 ways as a sum of consecutive naturals, for example, 49389 + ... + 312530.

It is an arithmetic number, because the mean of its divisors is an integer number (2410387200).

Almost surely, 2^47618044749 is an apocalyptic number.

It is an amenable number.

47618044749 is a deficient number, since it is larger than the sum of its proper divisors (29514345651).

47618044749 is a wasteful number, since it uses less digits than its factorization.

47618044749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362382 (or 362376 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 47618044749 in words is "forty-seven billion, six hundred eighteen million, forty-four thousand, seven hundred forty-nine".