49279214817 has 24 divisors (see below), whose sum is σ = 81365123840. Its totient is φ = 28154252160.

The previous prime is 49279214813. The next prime is 49279214819. The reversal of 49279214817 is 71841297294.

49279214817 is a `hidden beast` number, since 4 + 92 + 79 + 2 + 1 + 481 + 7 = 666.

It is not a de Polignac number, because 49279214817 - 2² = 49279214813 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49279214813) 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 23 ways as a sum of consecutive naturals, for example, 276984 + ... + 418662.

Almost surely, 2^49279214817 is an apocalyptic number.

It is an amenable number.

49279214817 is a deficient number, since it is larger than the sum of its proper divisors (32085909023).

49279214817 is a wasteful number, since it uses less digits than its factorization.

49279214817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147213 (or 147210 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The spelling of 49279214817 in words is "forty-nine billion, two hundred seventy-nine million, two hundred fourteen thousand, eight hundred seventeen".