10109181910 has 16 divisors (see below), whose sum is σ = 18376692912. Its totient is φ = 4003636000.

The previous prime is 10109181829. The next prime is 10109181911. The reversal of 10109181910 is 1918190101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109181911) 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, 5003536 + ... + 5005555.

It is an arithmetic number, because the mean of its divisors is an integer number (1148543307).

Almost surely, 2^10109181910 is an apocalyptic number.

10109181910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10109181910 is a deficient number, since it is larger than the sum of its proper divisors (8267511002).

10109181910 is a wasteful number, since it uses less digits than its factorization.

10109181910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009199.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 10109181910 in words is "ten billion, one hundred nine million, one hundred eighty-one thousand, nine hundred ten".