408096907198465 has 4 divisors (see below), whose sum is σ = 489716288638164. Its totient is φ = 326477525758768.

The previous prime is 408096907198459. The next prime is 408096907198507. The reversal of 408096907198465 is 564891709690804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142684195612401 + 265412711586064 = 11945049^2 + 16291492^2 .

It is a cyclic number.

It is not a de Polignac number, because 408096907198465 - 2¹¹ = 408096907196417 is a prime.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408096907198391 and 408096907198400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40809690719842 + ... + 40809690719851.

It is an arithmetic number, because the mean of its divisors is an integer number (122429072159541).

Almost surely, 2^{408096907198465} is an apocalyptic number.

It is an amenable number.

408096907198465 is a deficient number, since it is larger than the sum of its proper divisors (81619381439699).

408096907198465 is an equidigital number, since it uses as much as digits as its factorization.

408096907198465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81619381439698.

The product of its (nonzero) digits is 940584960, while the sum is 76.

The spelling of 408096907198465 in words is "four hundred eight trillion, ninety-six billion, nine hundred seven million, one hundred ninety-eight thousand, four hundred sixty-five".