405512335313 has 8 divisors (see below), whose sum is σ = 407462938728. Its totient is φ = 403564621824.

The previous prime is 405512335303. The next prime is 405512335343. The reversal of 405512335313 is 313533215504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159206586049 + 246305749264 = 399007^2 + 496292^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 405512335313 - 2²² = 405508141009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405512335303) 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, 440906 + ... + 1002707.

It is an arithmetic number, because the mean of its divisors is an integer number (50932867341).

Almost surely, 2^405512335313 is an apocalyptic number.

It is an amenable number.

405512335313 is a deficient number, since it is larger than the sum of its proper divisors (1950603415).

405512335313 is a wasteful number, since it uses less digits than its factorization.

405512335313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444963.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 405512335313 in words is "four hundred five billion, five hundred twelve million, three hundred thirty-five thousand, three hundred thirteen".