5665974137 has 2 divisors, whose sum is σ = 5665974138. Its totient is φ = 5665974136.

The previous prime is 5665974113. The next prime is 5665974157. The reversal of 5665974137 is 7314795665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2905102201 + 2760871936 = 53899^2 + 52544^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665974137 - 2⁶ = 5665974073 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665974157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832987068 + 2832987069.

It is an arithmetic number, because the mean of its divisors is an integer number (2832987069).

Almost surely, 2^5665974137 is an apocalyptic number.

It is an amenable number.

5665974137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665974137 is an equidigital number, since it uses as much as digits as its factorization.

5665974137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 53.

The square root of 5665974137 is about 75272.6652709999. The cubic root of 5665974137 is about 1782.7544503576.

The spelling of 5665974137 in words is "five billion, six hundred sixty-five million, nine hundred seventy-four thousand, one hundred thirty-seven".