109386439363680 has 96 divisors (see below), whose sum is σ = 344585682421344. Its totient is φ = 29168159625216.

The previous prime is 109386439363651. The next prime is 109386439363687. The reversal of 109386439363680 is 86363934683901.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109386439363687) 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, 2928604 + ... + 15078116.

It is an arithmetic number, because the mean of its divisors is an integer number (3589434191889).

Almost surely, 2^{109386439363680} is an apocalyptic number.

109386439363680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109386439363680 is an abundant number, since it is smaller than the sum of its proper divisors (235199243057664).

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

109386439363680 is a wasteful number, since it uses less digits than its factorization.

109386439363680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168288 (or 12168280 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 69.

The spelling of 109386439363680 in words is "one hundred nine trillion, three hundred eighty-six billion, four hundred thirty-nine million, three hundred sixty-three thousand, six hundred eighty".