5690896721 has 2 divisors, whose sum is σ = 5690896722. Its totient is φ = 5690896720.

The previous prime is 5690896709. The next prime is 5690896759. The reversal of 5690896721 is 1276980965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5687422225 + 3474496 = 75415^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5690896721 - 2³⁰ = 4617154897 is a prime.

It is not a weakly prime, because it can be changed into another prime (5690896781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845448360 + 2845448361.

It is an arithmetic number, because the mean of its divisors is an integer number (2845448361).

Almost surely, 2^5690896721 is an apocalyptic number.

It is an amenable number.

5690896721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5690896721 is an equidigital number, since it uses as much as digits as its factorization.

5690896721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 5690896721 is about 75438.0323245510. The cubic root of 5690896721 is about 1785.3645258766.

The spelling of 5690896721 in words is "five billion, six hundred ninety million, eight hundred ninety-six thousand, seven hundred twenty-one".