406248842633 has 2 divisors, whose sum is σ = 406248842634. Its totient is φ = 406248842632.

The previous prime is 406248842579. The next prime is 406248842639. The reversal of 406248842633 is 336248842604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264393412864 + 141855429769 = 514192^2 + 376637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406248842633 is a prime.

It is not a weakly prime, because it can be changed into another prime (406248842639) 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, 203124421316 + 203124421317.

It is an arithmetic number, because the mean of its divisors is an integer number (203124421317).

Almost surely, 2^406248842633 is an apocalyptic number.

It is an amenable number.

406248842633 is a deficient number, since it is larger than the sum of its proper divisors (1).

406248842633 is an equidigital number, since it uses as much as digits as its factorization.

406248842633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 50.

The spelling of 406248842633 in words is "four hundred six billion, two hundred forty-eight million, eight hundred forty-two thousand, six hundred thirty-three".