7321404593 has 2 divisors, whose sum is σ = 7321404594. Its totient is φ = 7321404592.

The previous prime is 7321404511. The next prime is 7321404599. The reversal of 7321404593 is 3954041237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7031996449 + 289408144 = 83857^2 + 17012^2 .

It is a cyclic number.

It is not a de Polignac number, because 7321404593 - 2¹² = 7321400497 is a prime.

It is not a weakly prime, because it can be changed into another prime (7321404599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660702296 + 3660702297.

It is an arithmetic number, because the mean of its divisors is an integer number (3660702297).

Almost surely, 2^7321404593 is an apocalyptic number.

It is an amenable number.

7321404593 is a deficient number, since it is larger than the sum of its proper divisors (1).

7321404593 is an equidigital number, since it uses as much as digits as its factorization.

7321404593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 7321404593 is about 85565.2066730397. The cubic root of 7321404593 is about 1941.7715593069.

The spelling of 7321404593 in words is "seven billion, three hundred twenty-one million, four hundred four thousand, five hundred ninety-three".