5665424651 has 2 divisors, whose sum is σ = 5665424652. Its totient is φ = 5665424650.

The previous prime is 5665424629. The next prime is 5665424671. The reversal of 5665424651 is 1564245665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665424651 - 2¹⁴ = 5665408267 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665424621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832712325 + 2832712326.

It is an arithmetic number, because the mean of its divisors is an integer number (2832712326).

Almost surely, 2^5665424651 is an apocalyptic number.

5665424651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665424651 is an equidigital number, since it uses as much as digits as its factorization.

5665424651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 44.

The square root of 5665424651 is about 75269.0152121044. The cubic root of 5665424651 is about 1782.6968180037.

The spelling of 5665424651 in words is "five billion, six hundred sixty-five million, four hundred twenty-four thousand, six hundred fifty-one".