7951422465 has 24 divisors (see below), whose sum is σ = 15751389888. Its totient is φ = 3634935840.

The previous prime is 7951422463. The next prime is 7951422473. The reversal of 7951422465 is 5642241597.

7951422465 is a `hidden beast` number, since 79 + 514 + 2 + 2 + 4 + 65 = 666.

It is not a de Polignac number, because 7951422465 - 2¹ = 7951422463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7951422465.

It is not an unprimeable number, because it can be changed into a prime (7951422463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12620991 + ... + 12621620.

It is an arithmetic number, because the mean of its divisors is an integer number (656307912).

Almost surely, 2^7951422465 is an apocalyptic number.

It is an amenable number.

7951422465 is a deficient number, since it is larger than the sum of its proper divisors (7799967423).

7951422465 is a wasteful number, since it uses less digits than its factorization.

7951422465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25242629 (or 25242626 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 7951422465 is about 89170.7489314742. The cubic root of 7951422465 is about 1995.9436506603.

The spelling of 7951422465 in words is "seven billion, nine hundred fifty-one million, four hundred twenty-two thousand, four hundred sixty-five".