109258491864 has 64 divisors (see below), whose sum is σ = 274479321600. Its totient is φ = 36242053376.

The previous prime is 109258491863. The next prime is 109258491869. The reversal of 109258491864 is 468194852901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109258491863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6195892 + ... + 6213500.

It is an arithmetic number, because the mean of its divisors is an integer number (4288739400).

Almost surely, 2^109258491864 is an apocalyptic number.

It is an amenable number.

109258491864 is an abundant number, since it is smaller than the sum of its proper divisors (165220829736).

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

109258491864 is a wasteful number, since it uses less digits than its factorization.

109258491864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18864 (or 18860 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 109258491864 in words is "one hundred nine billion, two hundred fifty-eight million, four hundred ninety-one thousand, eight hundred sixty-four".