402253699 has 2 divisors, whose sum is σ = 402253700. Its totient is φ = 402253698.

The previous prime is 402253697. The next prime is 402253717. The reversal of 402253699 is 996352204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402253699 - 2¹ = 402253697 is a prime.

Together with 402253697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402253697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201126849 + 201126850.

It is an arithmetic number, because the mean of its divisors is an integer number (201126850).

Almost surely, 2^402253699 is an apocalyptic number.

402253699 is a deficient number, since it is larger than the sum of its proper divisors (1).

402253699 is an equidigital number, since it uses as much as digits as its factorization.

402253699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 402253699 is about 20056.2633359258. The cubic root of 402253699 is about 738.1874919912.

The spelling of 402253699 in words is "four hundred two million, two hundred fifty-three thousand, six hundred ninety-nine".