49477393737 has 12 divisors (see below), whose sum is σ = 71484784384. Its totient is φ = 32976880920.

The previous prime is 49477393723. The next prime is 49477393739. The reversal of 49477393737 is 73739377494.

49477393737 is a `hidden beast` number, since 4 + 9 + 477 + 3 + 93 + 73 + 7 = 666.

It is not a de Polignac number, because 49477393737 - 2²⁶ = 49410284873 is a prime.

It is a super-2 number, since 2×49477393737² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49477393739) 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, 631633 + ... + 705630.

Almost surely, 2^49477393737 is an apocalyptic number.

It is an amenable number.

49477393737 is a deficient number, since it is larger than the sum of its proper divisors (22007390647).

49477393737 is a wasteful number, since it uses less digits than its factorization.

49477393737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341380 (or 1341377 counting only the distinct ones).

The product of its digits is 84015792, while the sum is 63.

The spelling of 49477393737 in words is "forty-nine billion, four hundred seventy-seven million, three hundred ninety-three thousand, seven hundred thirty-seven".