10391943601 has 16 divisors (see below), whose sum is σ = 11695267584. Its totient is φ = 9170106624.

The previous prime is 10391943577. The next prime is 10391943623. The reversal of 10391943601 is 10634919301.

It is a cyclic number.

It is not a de Polignac number, because 10391943601 - 2²⁵ = 10358389169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10391943641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171496 + ... + 224041.

It is an arithmetic number, because the mean of its divisors is an integer number (730954224).

Almost surely, 2^10391943601 is an apocalyptic number.

It is an amenable number.

10391943601 is a deficient number, since it is larger than the sum of its proper divisors (1303323983).

10391943601 is a wasteful number, since it uses less digits than its factorization.

10391943601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395640.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 10391943601 in words is "ten billion, three hundred ninety-one million, nine hundred forty-three thousand, six hundred one".