7457324449 has 2 divisors, whose sum is σ = 7457324450. Its totient is φ = 7457324448.

The previous prime is 7457324423. The next prime is 7457324461. The reversal of 7457324449 is 9444237547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5930078049 + 1527246400 = 77007^2 + 39080^2 .

It is a cyclic number.

It is not a de Polignac number, because 7457324449 - 2²⁵ = 7423770017 is a prime.

It is a super-2 number, since 2×7457324449² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7457384449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3728662224 + 3728662225.

It is an arithmetic number, because the mean of its divisors is an integer number (3728662225).

Almost surely, 2^7457324449 is an apocalyptic number.

It is an amenable number.

7457324449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7457324449 is an equidigital number, since it uses as much as digits as its factorization.

7457324449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 49.

The square root of 7457324449 is about 86355.8014785341. The cubic root of 7457324449 is about 1953.7141090790.

The spelling of 7457324449 in words is "seven billion, four hundred fifty-seven million, three hundred twenty-four thousand, four hundred forty-nine".