2321406772917 has 8 divisors (see below), whose sum is σ = 3100022733024. Its totient is φ = 1545197664048.

The previous prime is 2321406772889. The next prime is 2321406772921. The reversal of 2321406772917 is 7192776041232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2321406772917 - 2¹⁴ = 2321406756533 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2321406772917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321406772967) 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, 601710558 + ... + 601714415.

It is an arithmetic number, because the mean of its divisors is an integer number (387502841628).

Almost surely, 2^{2321406772917} is an apocalyptic number.

It is an amenable number.

2321406772917 is a deficient number, since it is larger than the sum of its proper divisors (778615960107).

2321406772917 is a wasteful number, since it uses less digits than its factorization.

2321406772917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203425619.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 2321406772917 in words is "two trillion, three hundred twenty-one billion, four hundred six million, seven hundred seventy-two thousand, nine hundred seventeen".