49729895257 has 16 divisors (see below), whose sum is σ = 59312846592. Its totient is φ = 40767091200.

The previous prime is 49729895249. The next prime is 49729895263. The reversal of 49729895257 is 75259892794.

It is a cyclic number.

It is not a de Polignac number, because 49729895257 - 2³ = 49729895249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49729895192 and 49729895201.

It is not an unprimeable number, because it can be changed into a prime (49729895207) 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 15 ways as a sum of consecutive naturals, for example, 1692193 + ... + 1721329.

It is an arithmetic number, because the mean of its divisors is an integer number (3707052912).

Almost surely, 2^49729895257 is an apocalyptic number.

It is an amenable number.

49729895257 is a deficient number, since it is larger than the sum of its proper divisors (9582951335).

49729895257 is a wasteful number, since it uses less digits than its factorization.

49729895257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39768.

The product of its digits is 114307200, while the sum is 67.

The spelling of 49729895257 in words is "forty-nine billion, seven hundred twenty-nine million, eight hundred ninety-five thousand, two hundred fifty-seven".