49947474995 has 16 divisors (see below), whose sum is σ = 65395836000. Its totient is φ = 36319852800.

The previous prime is 49947474991. The next prime is 49947475013. The reversal of 49947474995 is 59947474994.

It is not a de Polignac number, because 49947474995 - 2² = 49947474991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49947474991) 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, 309881 + ... + 442629.

It is an arithmetic number, because the mean of its divisors is an integer number (4087239750).

Almost surely, 2^49947474995 is an apocalyptic number.

49947474995 is a deficient number, since it is larger than the sum of its proper divisors (15448361005).

49947474995 is a wasteful number, since it uses less digits than its factorization.

49947474995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139606.

The product of its digits is 411505920, while the sum is 71.

Subtracting 49947474995 from its reverse (59947474994), we obtain a palindrome (9999999999).

The spelling of 49947474995 in words is "forty-nine billion, nine hundred forty-seven million, four hundred seventy-four thousand, nine hundred ninety-five".