49498297918 has 16 divisors (see below), whose sum is σ = 75671181360. Its totient is φ = 24276407616.

The previous prime is 49498297909. The next prime is 49498297921. The reversal of 49498297918 is 81979289494.

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 7 ways as a sum of consecutive naturals, for example, 405021 + ... + 512872.

It is an arithmetic number, because the mean of its divisors is an integer number (4729448835).

Almost surely, 2^49498297918 is an apocalyptic number.

49498297918 is a deficient number, since it is larger than the sum of its proper divisors (26172883442).

49498297918 is a wasteful number, since it uses less digits than its factorization.

49498297918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918411.

The product of its digits is 94058496, while the sum is 70.

It can be divided in two parts, 494982 and 97918, that added together give a square (592900 = 770²).

The spelling of 49498297918 in words is "forty-nine billion, four hundred ninety-eight million, two hundred ninety-seven thousand, nine hundred eighteen".