7906200649 has 2 divisors, whose sum is σ = 7906200650. Its totient is φ = 7906200648.

The previous prime is 7906200629. The next prime is 7906200671. The reversal of 7906200649 is 9460026097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6867105424 + 1039095225 = 82868^2 + 32235^2 .

It is a cyclic number.

It is not a de Polignac number, because 7906200649 - 2⁷ = 7906200521 is a prime.

It is not a weakly prime, because it can be changed into another prime (7906200629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953100324 + 3953100325.

It is an arithmetic number, because the mean of its divisors is an integer number (3953100325).

Almost surely, 2^7906200649 is an apocalyptic number.

It is an amenable number.

7906200649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7906200649 is an equidigital number, since it uses as much as digits as its factorization.

7906200649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 7906200649 is about 88916.8187071490. The cubic root of 7906200649 is about 1992.1526371355.

The spelling of 7906200649 in words is "seven billion, nine hundred six million, two hundred thousand, six hundred forty-nine".