5649039797 has 2 divisors, whose sum is σ = 5649039798. Its totient is φ = 5649039796.

The previous prime is 5649039763. The next prime is 5649039827. The reversal of 5649039797 is 7979309465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3279394756 + 2369645041 = 57266^2 + 48679^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649039797 - 2³² = 1354072501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649039727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824519898 + 2824519899.

It is an arithmetic number, because the mean of its divisors is an integer number (2824519899).

Almost surely, 2^5649039797 is an apocalyptic number.

It is an amenable number.

5649039797 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649039797 is an equidigital number, since it uses as much as digits as its factorization.

5649039797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12859560, while the sum is 59.

The square root of 5649039797 is about 75160.0944451243. The cubic root of 5649039797 is about 1780.9765920906.

The spelling of 5649039797 in words is "five billion, six hundred forty-nine million, thirty-nine thousand, seven hundred ninety-seven".