22909715901691 has 8 divisors (see below), whose sum is σ = 23442736097264. Its totient is φ = 22376706438240.

The previous prime is 22909715901671. The next prime is 22909715901757. The reversal of 22909715901691 is 19610951790922.

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 22909715901691 - 2⁵ = 22909715901659 is a prime.

It is the 4786410-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22909715901671) by changing a digit.

It is a nontrivial repunit in base 4786409.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719061 + ... + 6983881.

It is an arithmetic number, because the mean of its divisors is an integer number (2930342012158).

Almost surely, 2^{22909715901691} is an apocalyptic number.

22909715901691 is a deficient number, since it is larger than the sum of its proper divisors (533020195573).

22909715901691 is a wasteful number, since it uses less digits than its factorization.

22909715901691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366061.

The product of its (nonzero) digits is 5511240, while the sum is 61.

The spelling of 22909715901691 in words is "twenty-two trillion, nine hundred nine billion, seven hundred fifteen million, nine hundred one thousand, six hundred ninety-one".