408885445513 has 2 divisors, whose sum is σ = 408885445514. Its totient is φ = 408885445512.

The previous prime is 408885445477. The next prime is 408885445523. The reversal of 408885445513 is 315544588804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408612435984 + 273009529 = 639228^2 + 16523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408885445513 is a prime.

It is not a weakly prime, because it can be changed into another prime (408885445523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204442722756 + 204442722757.

It is an arithmetic number, because the mean of its divisors is an integer number (204442722757).

Almost surely, 2^408885445513 is an apocalyptic number.

It is an amenable number.

408885445513 is a deficient number, since it is larger than the sum of its proper divisors (1).

408885445513 is an equidigital number, since it uses as much as digits as its factorization.

408885445513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288000, while the sum is 55.

The spelling of 408885445513 in words is "four hundred eight billion, eight hundred eighty-five million, four hundred forty-five thousand, five hundred thirteen".