408353895253 has 8 divisors (see below), whose sum is σ = 409723482168. Its totient is φ = 406985778624.

The previous prime is 408353895251. The next prime is 408353895259. The reversal of 408353895253 is 352598353804.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83725158609 + 324628736644 = 289353^2 + 569762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 408353895253 - 2¹ = 408353895251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408353895194 and 408353895203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408353895251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190251 + ... + 923527.

It is an arithmetic number, because the mean of its divisors is an integer number (51215435271).

Almost surely, 2^408353895253 is an apocalyptic number.

It is an amenable number.

408353895253 is a deficient number, since it is larger than the sum of its proper divisors (1369586915).

408353895253 is a wasteful number, since it uses less digits than its factorization.

408353895253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735143.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 408353895253 in words is "four hundred eight billion, three hundred fifty-three million, eight hundred ninety-five thousand, two hundred fifty-three".