49656968397 has 48 divisors (see below), whose sum is σ = 76384788480. Its totient is φ = 30977865216.

The previous prime is 49656968393. The next prime is 49656968423. The reversal of 49656968397 is 79386965694.

49656968397 is a `hidden beast` number, since 496 + 56 + 9 + 6 + 83 + 9 + 7 = 666.

It is not a de Polignac number, because 49656968397 - 2² = 49656968393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49656968393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21504679 + ... + 21506987.

It is an arithmetic number, because the mean of its divisors is an integer number (1591349760).

Almost surely, 2^49656968397 is an apocalyptic number.

It is an amenable number.

49656968397 is a deficient number, since it is larger than the sum of its proper divisors (26727820083).

49656968397 is a wasteful number, since it uses less digits than its factorization.

49656968397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3079 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 72.

The spelling of 49656968397 in words is "forty-nine billion, six hundred fifty-six million, nine hundred sixty-eight thousand, three hundred ninety-seven".