408328213653 has 12 divisors (see below), whose sum is σ = 592801368588. Its totient is φ = 270836986560.

The previous prime is 408328213607. The next prime is 408328213669. The reversal of 408328213653 is 356312823804.

408328213653 is a `hidden beast` number, since 4 + 0 + 8 + 3 + 282 + 1 + 365 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 244354239684 + 163973973969 = 494322^2 + 404937^2 .

It is not a de Polignac number, because 408328213653 - 2⁶ = 408328213589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408328213599 and 408328213608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408328211653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115150008 + ... + 115153553.

It is an arithmetic number, because the mean of its divisors is an integer number (49400114049).

Almost surely, 2^408328213653 is an apocalyptic number.

It is an amenable number.

408328213653 is a deficient number, since it is larger than the sum of its proper divisors (184473154935).

408328213653 is a wasteful number, since it uses less digits than its factorization.

408328213653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230303764 (or 230303761 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 408328213653 in words is "four hundred eight billion, three hundred twenty-eight million, two hundred thirteen thousand, six hundred fifty-three".