49924428657 has 8 divisors (see below), whose sum is σ = 67503453120. Its totient is φ = 32814178320.

The previous prime is 49924428641. The next prime is 49924428661. The reversal of 49924428657 is 75682442994.

It is a happy number.

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

It is not a de Polignac number, because 49924428657 - 2⁴ = 49924428641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49924428657.

It is not an unprimeable number, because it can be changed into a prime (49924428457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117193282 + ... + 117193707.

It is an arithmetic number, because the mean of its divisors is an integer number (8437931640).

Almost surely, 2^49924428657 is an apocalyptic number.

It is an amenable number.

49924428657 is a deficient number, since it is larger than the sum of its proper divisors (17579024463).

49924428657 is a wasteful number, since it uses less digits than its factorization.

49924428657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234387063.

The product of its digits is 34836480, while the sum is 60.

The spelling of 49924428657 in words is "forty-nine billion, nine hundred twenty-four million, four hundred twenty-eight thousand, six hundred fifty-seven".