49479297494 has 48 divisors (see below), whose sum is σ = 84747485088. Its totient is φ = 21632688000.

The previous prime is 49479297473. The next prime is 49479297509.

It is a happy number.

49479297494 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669344 + ... + 739580.

It is an arithmetic number, because the mean of its divisors is an integer number (1765572606).

Almost surely, 2^49479297494 is an apocalyptic number.

49479297494 is a deficient number, since it is larger than the sum of its proper divisors (35268187594).

49479297494 is a wasteful number, since it uses less digits than its factorization.

49479297494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70373 (or 70362 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 68.

The spelling of 49479297494 in words is "forty-nine billion, four hundred seventy-nine million, two hundred ninety-seven thousand, four hundred ninety-four".