320605936413 has 16 divisors (see below), whose sum is σ = 488707355136. Its totient is φ = 183141526320.

The previous prime is 320605936373. The next prime is 320605936421. The reversal of 320605936413 is 314639506023.

It is a happy number.

It is not a de Polignac number, because 320605936413 - 2⁹ = 320605935901 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 (320605936463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2514043 + ... + 2638488.

It is an arithmetic number, because the mean of its divisors is an integer number (30544209696).

Almost surely, 2^320605936413 is an apocalyptic number.

It is an amenable number.

320605936413 is a deficient number, since it is larger than the sum of its proper divisors (168101418723).

320605936413 is a wasteful number, since it uses less digits than its factorization.

320605936413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155504.

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 320605936413 in words is "three hundred twenty billion, six hundred five million, nine hundred thirty-six thousand, four hundred thirteen".