108849042913 has 12 divisors (see below), whose sum is σ = 120607204080. Its totient is φ = 98139380976.

The previous prime is 108849042893. The next prime is 108849042923. The reversal of 108849042913 is 319240948801.

It is a de Polignac number, because none of the positive numbers 2^k-108849042913 is a prime.

It is a super-2 number, since 2×108849042913² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108849042923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7482003 + ... + 7496536.

It is an arithmetic number, because the mean of its divisors is an integer number (10050600340).

Almost surely, 2^108849042913 is an apocalyptic number.

108849042913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108849042913 is a deficient number, since it is larger than the sum of its proper divisors (11758161167).

108849042913 is a wasteful number, since it uses less digits than its factorization.

108849042913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14978608 (or 14978595 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 108849042913 in words is "one hundred eight billion, eight hundred forty-nine million, forty-two thousand, nine hundred thirteen".