109218680490 has 16 divisors (see below), whose sum is σ = 262124833248. Its totient is φ = 29124981456.

The previous prime is 109218680489. The next prime is 109218680521. The reversal of 109218680490 is 94086812901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820311312 + ... + 1820311371.

It is an arithmetic number, because the mean of its divisors is an integer number (16382802078).

Almost surely, 2^109218680490 is an apocalyptic number.

109218680490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109218680490 is an abundant number, since it is smaller than the sum of its proper divisors (152906152758).

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

109218680490 is a wasteful number, since it uses less digits than its factorization.

109218680490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640622693.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 109218680490 in words is "one hundred nine billion, two hundred eighteen million, six hundred eighty thousand, four hundred ninety".