402699658171 has 2 divisors, whose sum is σ = 402699658172. Its totient is φ = 402699658170.

The previous prime is 402699658013. The next prime is 402699658183. The reversal of 402699658171 is 171856996204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402699658171 - 2¹⁷ = 402699527099 is a prime.

It is not a weakly prime, because it can be changed into another prime (402699659171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201349829085 + 201349829086.

It is an arithmetic number, because the mean of its divisors is an integer number (201349829086).

Almost surely, 2^402699658171 is an apocalyptic number.

402699658171 is a deficient number, since it is larger than the sum of its proper divisors (1).

402699658171 is an equidigital number, since it uses as much as digits as its factorization.

402699658171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 402699658171 in words is "four hundred two billion, six hundred ninety-nine million, six hundred fifty-eight thousand, one hundred seventy-one".