662259994801 has 2 divisors, whose sum is σ = 662259994802. Its totient is φ = 662259994800.

The previous prime is 662259994783. The next prime is 662259994813. The reversal of 662259994801 is 108499952266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557895461776 + 104364533025 = 746924^2 + 323055^2 .

It is a cyclic number.

It is not a de Polignac number, because 662259994801 - 2⁵ = 662259994769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662259994801.

It is not a weakly prime, because it can be changed into another prime (662259994901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331129997400 + 331129997401.

It is an arithmetic number, because the mean of its divisors is an integer number (331129997401).

Almost surely, 2^662259994801 is an apocalyptic number.

It is an amenable number.

662259994801 is a deficient number, since it is larger than the sum of its proper divisors (1).

662259994801 is an equidigital number, since it uses as much as digits as its factorization.

662259994801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 662259994801 in words is "six hundred sixty-two billion, two hundred fifty-nine million, nine hundred ninety-four thousand, eight hundred one".