7474664459 has 2 divisors, whose sum is σ = 7474664460. Its totient is φ = 7474664458.

The previous prime is 7474664447. The next prime is 7474664471. The reversal of 7474664459 is 9544664747.

It is a balanced prime because it is at equal distance from previous prime (7474664447) and next prime (7474664471).

It is an emirp because it is prime and its reverse (9544664747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7474664459 - 2⁴ = 7474664443 is a prime.

It is not a weakly prime, because it can be changed into another prime (7474664489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737332229 + 3737332230.

It is an arithmetic number, because the mean of its divisors is an integer number (3737332230).

Almost surely, 2^7474664459 is an apocalyptic number.

7474664459 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474664459 is an equidigital number, since it uses as much as digits as its factorization.

7474664459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 56.

The square root of 7474664459 is about 86456.1418234702. The cubic root of 7474664459 is about 1955.2272164794.

The spelling of 7474664459 in words is "seven billion, four hundred seventy-four million, six hundred sixty-four thousand, four hundred fifty-nine".