4064396857 has 2 divisors, whose sum is σ = 4064396858. Its totient is φ = 4064396856.

The previous prime is 4064396807. The next prime is 4064396879. The reversal of 4064396857 is 7586934604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455103401 + 1609293456 = 49549^2 + 40116^2 .

It is a cyclic number.

It is not a de Polignac number, because 4064396857 - 2¹¹ = 4064394809 is a prime.

It is a super-2 number, since 2×4064396857² = 33038643622382956898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4064396807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032198428 + 2032198429.

It is an arithmetic number, because the mean of its divisors is an integer number (2032198429).

Almost surely, 2^4064396857 is an apocalyptic number.

It is an amenable number.

4064396857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064396857 is an equidigital number, since it uses as much as digits as its factorization.

4064396857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 4064396857 is about 63752.6223539079. The cubic root of 4064396857 is about 1595.8743785953.

The spelling of 4064396857 in words is "four billion, sixty-four million, three hundred ninety-six thousand, eight hundred fifty-seven".