405008450593 has 2 divisors, whose sum is σ = 405008450594. Its totient is φ = 405008450592.

The previous prime is 405008450557. The next prime is 405008450699. The reversal of 405008450593 is 395054800504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403589572369 + 1418878224 = 635287^2 + 37668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405008450593 is a prime.

It is not a weakly prime, because it can be changed into another prime (405008450293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202504225296 + 202504225297.

It is an arithmetic number, because the mean of its divisors is an integer number (202504225297).

Almost surely, 2^405008450593 is an apocalyptic number.

It is an amenable number.

405008450593 is a deficient number, since it is larger than the sum of its proper divisors (1).

405008450593 is an equidigital number, since it uses as much as digits as its factorization.

405008450593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 405008450593 in words is "four hundred five billion, eight million, four hundred fifty thousand, five hundred ninety-three".