5665005427 has 2 divisors, whose sum is σ = 5665005428. Its totient is φ = 5665005426.

The previous prime is 5665005413. The next prime is 5665005431. The reversal of 5665005427 is 7245005665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665005427 - 2³¹ = 3517521779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5665005427.

It is not a weakly prime, because it can be changed into another prime (5665005407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832502713 + 2832502714.

It is an arithmetic number, because the mean of its divisors is an integer number (2832502714).

Almost surely, 2^5665005427 is an apocalyptic number.

5665005427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665005427 is an equidigital number, since it uses as much as digits as its factorization.

5665005427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 5665005427 is about 75266.2303227683. The cubic root of 5665005427 is about 1782.6528455584.

The spelling of 5665005427 in words is "five billion, six hundred sixty-five million, five thousand, four hundred twenty-seven".