49424771997 has 16 divisors (see below), whose sum is σ = 73225848960. Its totient is φ = 32948064000.

The previous prime is 49424771989. The next prime is 49424772011. The reversal of 49424771997 is 79917742494.

49424771997 is a `hidden beast` number, since 49 + 424 + 77 + 19 + 97 = 666.

It is not a de Polignac number, because 49424771997 - 2³ = 49424771989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49424771927) 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, 625597 + ... + 700157.

It is an arithmetic number, because the mean of its divisors is an integer number (4576615560).

Almost surely, 2^49424771997 is an apocalyptic number.

It is an amenable number.

49424771997 is a deficient number, since it is larger than the sum of its proper divisors (23801076963).

49424771997 is a wasteful number, since it uses less digits than its factorization.

49424771997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99121 (or 99115 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 49424771997 in words is "forty-nine billion, four hundred twenty-four million, seven hundred seventy-one thousand, nine hundred ninety-seven".