109219020790 has 16 divisors (see below), whose sum is σ = 214466441040. Its totient is φ = 39716007520.

The previous prime is 109219020769. The next prime is 109219020793. The reversal of 109219020790 is 97020912901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109219020793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496449985 + ... + 496450204.

It is an arithmetic number, because the mean of its divisors is an integer number (13404152565).

Almost surely, 2^109219020790 is an apocalyptic number.

109219020790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109219020790 is a deficient number, since it is larger than the sum of its proper divisors (105247420250).

109219020790 is a wasteful number, since it uses less digits than its factorization.

109219020790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992900207.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 109219020790 in words is "one hundred nine billion, two hundred nineteen million, twenty thousand, seven hundred ninety".