49172794945 has 8 divisors (see below), whose sum is σ = 59008662720. Its totient is φ = 39337363440.

The previous prime is 49172794939. The next prime is 49172794987. The reversal of 49172794945 is 54949727194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49172794945 - 2²³ = 49164406337 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 241126 + ... + 395584.

It is an arithmetic number, because the mean of its divisors is an integer number (7376082840).

Almost surely, 2^49172794945 is an apocalyptic number.

It is an amenable number.

49172794945 is a deficient number, since it is larger than the sum of its proper divisors (9835867775).

49172794945 is a wasteful number, since it uses less digits than its factorization.

49172794945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218135.

The product of its digits is 22861440, while the sum is 61.

The spelling of 49172794945 in words is "forty-nine billion, one hundred seventy-two million, seven hundred ninety-four thousand, nine hundred forty-five".