5242844657 has 2 divisors, whose sum is σ = 5242844658. Its totient is φ = 5242844656.

The previous prime is 5242844587. The next prime is 5242844669. The reversal of 5242844657 is 7564482425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5155814416 + 87030241 = 71804^2 + 9329^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242844657 - 2¹⁰ = 5242843633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5242843657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621422328 + 2621422329.

It is an arithmetic number, because the mean of its divisors is an integer number (2621422329).

Almost surely, 2^5242844657 is an apocalyptic number.

It is an amenable number.

5242844657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242844657 is an equidigital number, since it uses as much as digits as its factorization.

5242844657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 47.

The square root of 5242844657 is about 72407.4903376716. The cubic root of 5242844657 is about 1737.2233709799.

The spelling of 5242844657 in words is "five billion, two hundred forty-two million, eight hundred forty-four thousand, six hundred fifty-seven".