320605633413 has 32 divisors (see below), whose sum is σ = 511723726080. Its totient is φ = 197212397760.

The previous prime is 320605633373. The next prime is 320605633457. The reversal of 320605633413 is 314336506023.

320605633413 is a `hidden beast` number, since 3 + 2 + 0 + 6 + 0 + 5 + 633 + 4 + 13 = 666.

It is not a de Polignac number, because 320605633413 - 2⁸ = 320605633157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320605633013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643920 + ... + 1027542.

It is an arithmetic number, because the mean of its divisors is an integer number (15991366440).

Almost surely, 2^320605633413 is an apocalyptic number.

It is an amenable number.

320605633413 is a deficient number, since it is larger than the sum of its proper divisors (191118092667).

320605633413 is a wasteful number, since it uses less digits than its factorization.

320605633413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386026 (or 386020 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The spelling of 320605633413 in words is "three hundred twenty billion, six hundred five million, six hundred thirty-three thousand, four hundred thirteen".