402234408997 has 2 divisors, whose sum is σ = 402234408998. Its totient is φ = 402234408996.

The previous prime is 402234408973. The next prime is 402234409039. The reversal of 402234408997 is 799804432204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370090939201 + 32143469796 = 608351^2 + 179286^2 .

It is a cyclic number.

It is not a de Polignac number, because 402234408997 - 2⁷ = 402234408869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402234406997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201117204498 + 201117204499.

It is an arithmetic number, because the mean of its divisors is an integer number (201117204499).

Almost surely, 2^402234408997 is an apocalyptic number.

It is an amenable number.

402234408997 is a deficient number, since it is larger than the sum of its proper divisors (1).

402234408997 is an equidigital number, since it uses as much as digits as its factorization.

402234408997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 402234408997 in words is "four hundred two billion, two hundred thirty-four million, four hundred eight thousand, nine hundred ninety-seven".