49698835109 has 32 divisors (see below), whose sum is σ = 64697318400. Its totient is φ = 37825628400.

The previous prime is 49698835063. The next prime is 49698835129. The reversal of 49698835109 is 90153889694.

It is not a de Polignac number, because 49698835109 - 2⁸ = 49698834853 is a prime.

It is a super-2 number, since 2×49698835109² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49698835129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9074 + ... + 315404.

It is an arithmetic number, because the mean of its divisors is an integer number (2021791200).

Almost surely, 2^49698835109 is an apocalyptic number.

49698835109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49698835109 is a deficient number, since it is larger than the sum of its proper divisors (14998483291).

49698835109 is a wasteful number, since it uses less digits than its factorization.

49698835109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306406 (or 306392 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 49698835109 in words is "forty-nine billion, six hundred ninety-eight million, eight hundred thirty-five thousand, one hundred nine".