408392054453 has 2 divisors, whose sum is σ = 408392054454. Its totient is φ = 408392054452.

The previous prime is 408392054431. The next prime is 408392054507. The reversal of 408392054453 is 354450293804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401598503524 + 6793550929 = 633718^2 + 82423^2 .

It is a cyclic number.

It is not a de Polignac number, because 408392054453 - 2⁸ = 408392054197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408392054398 and 408392054407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408392054753) 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, 204196027226 + 204196027227.

It is an arithmetic number, because the mean of its divisors is an integer number (204196027227).

Almost surely, 2^408392054453 is an apocalyptic number.

It is an amenable number.

408392054453 is a deficient number, since it is larger than the sum of its proper divisors (1).

408392054453 is an equidigital number, since it uses as much as digits as its factorization.

408392054453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 408392054453 in words is "four hundred eight billion, three hundred ninety-two million, fifty-four thousand, four hundred fifty-three".