7390201649 has 2 divisors, whose sum is σ = 7390201650. Its totient is φ = 7390201648.

The previous prime is 7390201633. The next prime is 7390201657. The reversal of 7390201649 is 9461020937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7213444624 + 176757025 = 84932^2 + 13295^2 .

It is a cyclic number.

It is not a de Polignac number, because 7390201649 - 2⁴ = 7390201633 is a prime.

It is not a weakly prime, because it can be changed into another prime (7390201669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3695100824 + 3695100825.

It is an arithmetic number, because the mean of its divisors is an integer number (3695100825).

Almost surely, 2^7390201649 is an apocalyptic number.

It is an amenable number.

7390201649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7390201649 is an equidigital number, since it uses as much as digits as its factorization.

7390201649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 7390201649 is about 85966.2820470910. The cubic root of 7390201649 is about 1947.8346904268.

The spelling of 7390201649 in words is "seven billion, three hundred ninety million, two hundred one thousand, six hundred forty-nine".