49074078997 has 12 divisors (see below), whose sum is σ = 51871472076. Its totient is φ = 46420672320.

The previous prime is 49074078979. The next prime is 49074079001. The reversal of 49074078997 is 79987047094.

It can be written as a sum of positive squares in 2 ways, for example, as 26538364836 + 22535714161 = 162906^2 + 150119^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49074078997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49074072997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135793 + ... + 341449.

It is an arithmetic number, because the mean of its divisors is an integer number (4322622673).

Almost surely, 2^49074078997 is an apocalyptic number.

It is an amenable number.

49074078997 is a deficient number, since it is larger than the sum of its proper divisors (2797393079).

49074078997 is a wasteful number, since it uses less digits than its factorization.

49074078997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206356 (or 206337 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 64.

The spelling of 49074078997 in words is "forty-nine billion, seventy-four million, seventy-eight thousand, nine hundred ninety-seven".