10109100919 has 4 divisors (see below), whose sum is σ = 10126323144. Its totient is φ = 10091878696.

The previous prime is 10109100889. The next prime is 10109100929. The reversal of 10109100919 is 91900190101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10109100919 - 2⁷ = 10109100791 is a prime.

It is a super-2 number, since 2×10109100919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109100929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8610232 + ... + 8611405.

It is an arithmetic number, because the mean of its divisors is an integer number (2531580786).

Almost surely, 2^10109100919 is an apocalyptic number.

10109100919 is a deficient number, since it is larger than the sum of its proper divisors (17222225).

10109100919 is an equidigital number, since it uses as much as digits as its factorization.

10109100919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17222224.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 10109100919 in words is "ten billion, one hundred nine million, one hundred thousand, nine hundred nineteen".