10109572391 has 8 divisors (see below), whose sum is σ = 10233887664. Its totient is φ = 9985317120.

The previous prime is 10109572387. The next prime is 10109572399. The reversal of 10109572391 is 19327590101.

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 10109572391 - 2² = 10109572387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109572399) 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, 390935 + ... + 415991.

It is an arithmetic number, because the mean of its divisors is an integer number (1279235958).

Almost surely, 2^10109572391 is an apocalyptic number.

10109572391 is a deficient number, since it is larger than the sum of its proper divisors (124315273).

10109572391 is an equidigital number, since it uses as much as digits as its factorization.

10109572391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30001.

The product of its (nonzero) digits is 17010, while the sum is 38.

The spelling of 10109572391 in words is "ten billion, one hundred nine million, five hundred seventy-two thousand, three hundred ninety-one".