49798981494 has 64 divisors (see below), whose sum is σ = 117577785600. Its totient is φ = 15578987904.

The previous prime is 49798981489. The next prime is 49798981537. The reversal of 49798981494 is 49418989794.

49798981494 is a `hidden beast` number, since 49 + 7 + 9 + 8 + 98 + 1 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117027 + ... + 336590.

It is an arithmetic number, because the mean of its divisors is an integer number (1837152900).

Almost surely, 2^49798981494 is an apocalyptic number.

49798981494 is an abundant number, since it is smaller than the sum of its proper divisors (67778804106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49798981494 is a wasteful number, since it uses less digits than its factorization.

49798981494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453754 (or 453748 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 72.

The spelling of 49798981494 in words is "forty-nine billion, seven hundred ninety-eight million, nine hundred eighty-one thousand, four hundred ninety-four".