49699656631 has 8 divisors (see below), whose sum is σ = 51084401984. Its totient is φ = 48317096160.

The previous prime is 49699656613. The next prime is 49699656653. The reversal of 49699656631 is 13665699694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49699656631 - 2²¹ = 49697559479 is a prime.

It is a super-2 number, since 2×49699656631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49699656691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500040 + ... + 591133.

It is an arithmetic number, because the mean of its divisors is an integer number (6385550248).

Almost surely, 2^49699656631 is an apocalyptic number.

49699656631 is a deficient number, since it is larger than the sum of its proper divisors (1384745353).

49699656631 is a wasteful number, since it uses less digits than its factorization.

49699656631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092441.

The product of its digits is 56687040, while the sum is 64.

The spelling of 49699656631 in words is "forty-nine billion, six hundred ninety-nine million, six hundred fifty-six thousand, six hundred thirty-one".