9371921601 has 32 divisors (see below), whose sum is σ = 14477885440. Its totient is φ = 5281713216.

The previous prime is 9371921569. The next prime is 9371921633. The reversal of 9371921601 is 1061291739.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9371921569) and next prime (9371921633).

It is not a de Polignac number, because 9371921601 - 2⁵ = 9371921569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9371921601.

It is not an unprimeable number, because it can be changed into a prime (9371921641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1800735 + ... + 1805931.

It is an arithmetic number, because the mean of its divisors is an integer number (452433920).

Almost surely, 2^9371921601 is an apocalyptic number.

It is an amenable number.

9371921601 is a deficient number, since it is larger than the sum of its proper divisors (5105963839).

9371921601 is a wasteful number, since it uses less digits than its factorization.

9371921601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 9371921601 is about 96808.6855659140. The cubic root of 9371921601 is about 2108.3508448975.

The spelling of 9371921601 in words is "nine billion, three hundred seventy-one million, nine hundred twenty-one thousand, six hundred one".