402268620797 has 2 divisors, whose sum is σ = 402268620798. Its totient is φ = 402268620796.

The previous prime is 402268620757. The next prime is 402268620827. The reversal of 402268620797 is 797026862204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402233739961 + 34880836 = 634219^2 + 5906^2 .

It is a cyclic number.

It is not a de Polignac number, because 402268620797 - 2¹⁰ = 402268619773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402268620737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201134310398 + 201134310399.

It is an arithmetic number, because the mean of its divisors is an integer number (201134310399).

Almost surely, 2^402268620797 is an apocalyptic number.

It is an amenable number.

402268620797 is a deficient number, since it is larger than the sum of its proper divisors (1).

402268620797 is an equidigital number, since it uses as much as digits as its factorization.

402268620797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 402268620797 in words is "four hundred two billion, two hundred sixty-eight million, six hundred twenty thousand, seven hundred ninety-seven".