7474404449 has 2 divisors, whose sum is σ = 7474404450. Its totient is φ = 7474404448.

The previous prime is 7474404403. The next prime is 7474404463. The reversal of 7474404449 is 9444044747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6950223424 + 524181025 = 83368^2 + 22895^2 .

It is a cyclic number.

It is not a de Polignac number, because 7474404449 - 2¹⁶ = 7474338913 is a prime.

It is not a weakly prime, because it can be changed into another prime (7474404149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737202224 + 3737202225.

It is an arithmetic number, because the mean of its divisors is an integer number (3737202225).

Almost surely, 2^7474404449 is an apocalyptic number.

It is an amenable number.

7474404449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474404449 is an equidigital number, since it uses as much as digits as its factorization.

7474404449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 47.

The square root of 7474404449 is about 86454.6380999886. The cubic root of 7474404449 is about 1955.2045450259.

The spelling of 7474404449 in words is "seven billion, four hundred seventy-four million, four hundred four thousand, four hundred forty-nine".