49049881874 has 24 divisors (see below), whose sum is σ = 86806113024. Its totient is φ = 20341355400.

The previous prime is 49049881841. The next prime is 49049881919. The reversal of 49049881874 is 47818894094.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4608539 + ... + 4619169.

It is an arithmetic number, because the mean of its divisors is an integer number (3616921376).

Almost surely, 2^49049881874 is an apocalyptic number.

49049881874 is a deficient number, since it is larger than the sum of its proper divisors (37756231150).

49049881874 is an frugal number, since it uses more digits than its factorization.

49049881874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302 (or 10671 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 49049881874 in words is "forty-nine billion, forty-nine million, eight hundred eighty-one thousand, eight hundred seventy-four".