4064064123157 has 2 divisors, whose sum is σ = 4064064123158. Its totient is φ = 4064064123156.

The previous prime is 4064064123139. The next prime is 4064064123187. The reversal of 4064064123157 is 7513214604604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3722580501201 + 341483621956 = 1929399^2 + 584366^2 .

It is a cyclic number.

It is not a de Polignac number, because 4064064123157 - 2⁷ = 4064064123029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4064064123187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032032061578 + 2032032061579.

It is an arithmetic number, because the mean of its divisors is an integer number (2032032061579).

Almost surely, 2^{4064064123157} is an apocalyptic number.

It is an amenable number.

4064064123157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064064123157 is an equidigital number, since it uses as much as digits as its factorization.

4064064123157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 4064064123157 in words is "four trillion, sixty-four billion, sixty-four million, one hundred twenty-three thousand, one hundred fifty-seven".