2291708794169 has 16 divisors (see below), whose sum is σ = 2460412777680. Its totient is φ = 2126787010560.

The previous prime is 2291708794159. The next prime is 2291708794183. The reversal of 2291708794169 is 9614978071922.

It can be written as a sum of positive squares in 8 ways, for example, as 618915770944 + 1672793023225 = 786712^2 + 1293365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2291708794169 - 2³⁶ = 2222989317433 is a prime.

It is a super-2 number, since 2×2291708794169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291708794139) 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, 4432349 + ... + 4922309.

It is an arithmetic number, because the mean of its divisors is an integer number (153775798605).

Almost surely, 2^{2291708794169} is an apocalyptic number.

It is an amenable number.

2291708794169 is a deficient number, since it is larger than the sum of its proper divisors (168703983511).

2291708794169 is a wasteful number, since it uses less digits than its factorization.

2291708794169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493820.

The product of its (nonzero) digits is 27433728, while the sum is 65.

The spelling of 2291708794169 in words is "two trillion, two hundred ninety-one billion, seven hundred eight million, seven hundred ninety-four thousand, one hundred sixty-nine".