49396572279 has 8 divisors (see below), whose sum is σ = 73180107120. Its totient is φ = 32931048168.

The previous prime is 49396572221. The next prime is 49396572283. The reversal of 49396572279 is 97227569394.

49396572279 is a `hidden beast` number, since 4 + 9 + 39 + 6 + 572 + 27 + 9 = 666.

It is not a de Polignac number, because 49396572279 - 2⁹ = 49396571767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49396572209) 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, 914751312 + ... + 914751365.

It is an arithmetic number, because the mean of its divisors is an integer number (9147513390).

Almost surely, 2^49396572279 is an apocalyptic number.

49396572279 is a deficient number, since it is larger than the sum of its proper divisors (23783534841).

49396572279 is a wasteful number, since it uses less digits than its factorization.

49396572279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829502686 (or 1829502680 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 49396572279 in words is "forty-nine billion, three hundred ninety-six million, five hundred seventy-two thousand, two hundred seventy-nine".