10109517645 has 8 divisors (see below), whose sum is σ = 16175228256. Its totient is φ = 5391742736.

The previous prime is 10109517637. The next prime is 10109517647. The reversal of 10109517645 is 54671590101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10109517645 - 2³ = 10109517637 is a prime.

It is a super-3 number, since 3×10109517645³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109517647) 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, 336983907 + ... + 336983936.

It is an arithmetic number, because the mean of its divisors is an integer number (2021903532).

Almost surely, 2^10109517645 is an apocalyptic number.

10109517645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10109517645 is a deficient number, since it is larger than the sum of its proper divisors (6065710611).

10109517645 is an equidigital number, since it uses as much as digits as its factorization.

10109517645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673967851.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 10109517645 in words is "ten billion, one hundred nine million, five hundred seventeen thousand, six hundred forty-five".