396868131868633 has 2 divisors, whose sum is σ = 396868131868634. Its totient is φ = 396868131868632.

The previous prime is 396868131868613. The next prime is 396868131868693. The reversal of 396868131868633 is 336868131868693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394454872148544 + 2413259720089 = 19860888^2 + 1553467^2 .

It is a cyclic number.

It is not a de Polignac number, because 396868131868633 - 2²⁵ = 396868098314201 is a prime.

It is not a weakly prime, because it can be changed into another prime (396868131868613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198434065934316 + 198434065934317.

It is an arithmetic number, because the mean of its divisors is an integer number (198434065934317).

Almost surely, 2^{396868131868633} is an apocalyptic number.

It is an amenable number.

396868131868633 is a deficient number, since it is larger than the sum of its proper divisors (1).

396868131868633 is an equidigital number, since it uses as much as digits as its factorization.

396868131868633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3869835264, while the sum is 79.

The spelling of 396868131868633 in words is "three hundred ninety-six trillion, eight hundred sixty-eight billion, one hundred thirty-one million, eight hundred sixty-eight thousand, six hundred thirty-three".