402818200979 has 2 divisors, whose sum is σ = 402818200980. Its totient is φ = 402818200978.

The previous prime is 402818200937. The next prime is 402818201029. The reversal of 402818200979 is 979002818204.

It is an a-pointer prime, because the next prime (402818201029) can be obtained adding 402818200979 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402818200979 - 2⁸ = 402818200723 is a prime.

It is not a weakly prime, because it can be changed into another prime (402818200079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201409100489 + 201409100490.

It is an arithmetic number, because the mean of its divisors is an integer number (201409100490).

Almost surely, 2^402818200979 is an apocalyptic number.

402818200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

402818200979 is an equidigital number, since it uses as much as digits as its factorization.

402818200979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 402818200979 in words is "four hundred two billion, eight hundred eighteen million, two hundred thousand, nine hundred seventy-nine".