402494558233 has 2 divisors, whose sum is σ = 402494558234. Its totient is φ = 402494558232.

The previous prime is 402494558119. The next prime is 402494558243. The reversal of 402494558233 is 332855494204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375484621824 + 27009936409 = 612768^2 + 164347^2 .

It is a cyclic number.

It is not a de Polignac number, because 402494558233 - 2⁹ = 402494557721 is a prime.

It is not a weakly prime, because it can be changed into another prime (402494558243) 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, 201247279116 + 201247279117.

It is an arithmetic number, because the mean of its divisors is an integer number (201247279117).

Almost surely, 2^402494558233 is an apocalyptic number.

It is an amenable number.

402494558233 is a deficient number, since it is larger than the sum of its proper divisors (1).

402494558233 is an equidigital number, since it uses as much as digits as its factorization.

402494558233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 402494558233 in words is "four hundred two billion, four hundred ninety-four million, five hundred fifty-eight thousand, two hundred thirty-three".