7974482465 has 4 divisors (see below), whose sum is σ = 9569378964. Its totient is φ = 6379585968.

The previous prime is 7974482443. The next prime is 7974482473. The reversal of 7974482465 is 5642844797.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6298644496 + 1675837969 = 79364^2 + 40937^2 .

It is a cyclic number.

It is not a de Polignac number, because 7974482465 - 2⁸ = 7974482209 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 7974482465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797448242 + ... + 797448251.

It is an arithmetic number, because the mean of its divisors is an integer number (2392344741).

Almost surely, 2^7974482465 is an apocalyptic number.

It is an amenable number.

7974482465 is a deficient number, since it is larger than the sum of its proper divisors (1594896499).

7974482465 is a wasteful number, since it uses less digits than its factorization.

7974482465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594896498.

The product of its digits is 13547520, while the sum is 56.

The square root of 7974482465 is about 89299.9578107403. The cubic root of 7974482465 is about 1997.8712738163.

The spelling of 7974482465 in words is "seven billion, nine hundred seventy-four million, four hundred eighty-two thousand, four hundred sixty-five".