4397165765137 has 2 divisors, whose sum is σ = 4397165765138. Its totient is φ = 4397165765136.

The previous prime is 4397165765021. The next prime is 4397165765173. The reversal of 4397165765137 is 7315675617934.

It is a happy number.

Together with next prime (4397165765173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4126764725136 + 270401040001 = 2031444^2 + 520001^2 .

It is a cyclic number.

It is not a de Polignac number, because 4397165765137 - 2¹⁵ = 4397165732369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4397165565137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198582882568 + 2198582882569.

It is an arithmetic number, because the mean of its divisors is an integer number (2198582882569).

Almost surely, 2^{4397165765137} is an apocalyptic number.

It is an amenable number.

4397165765137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4397165765137 is an equidigital number, since it uses as much as digits as its factorization.

4397165765137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100018800, while the sum is 64.

The spelling of 4397165765137 in words is "four trillion, three hundred ninety-seven billion, one hundred sixty-five million, seven hundred sixty-five thousand, one hundred thirty-seven".