109397764090 has 16 divisors (see below), whose sum is σ = 196926811272. Its totient is φ = 43756697664.

The previous prime is 109397764051. The next prime is 109397764103. The reversal of 109397764090 is 90467793901.

It can be written as a sum of positive squares in 4 ways, for example, as 94078998729 + 15318765361 = 306723^2 + 123769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104049 + ... + 479188.

Almost surely, 2^109397764090 is an apocalyptic number.

109397764090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109397764090 is a deficient number, since it is larger than the sum of its proper divisors (87529047182).

109397764090 is a wasteful number, since it uses less digits than its factorization.

109397764090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602001.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 109397764090 in words is "one hundred nine billion, three hundred ninety-seven million, seven hundred sixty-four thousand, ninety".