49699684256 has 12 divisors (see below), whose sum is σ = 97846253442. Its totient is φ = 24849842112.

The previous prime is 49699684247. The next prime is 49699684259. The reversal of 49699684256 is 65248699694.

It can be written as a sum of positive squares in only one way, i.e., 25824490000 + 23875194256 = 160700^2 + 154516^2 .

It is not an unprimeable number, because it can be changed into a prime (49699684259) 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 as a sum of consecutive naturals, namely, 776557535 + ... + 776557598.

Almost surely, 2^49699684256 is an apocalyptic number.

It is an amenable number.

49699684256 is a deficient number, since it is larger than the sum of its proper divisors (48146569186).

49699684256 is a wasteful number, since it uses less digits than its factorization.

49699684256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553115143 (or 1553115135 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 68.

The spelling of 49699684256 in words is "forty-nine billion, six hundred ninety-nine million, six hundred eighty-four thousand, two hundred fifty-six".