3646431771313 has 8 divisors (see below), whose sum is σ = 3772214510400. Its totient is φ = 3520651946448.

The previous prime is 3646431771277. The next prime is 3646431771319. The reversal of 3646431771313 is 3131771346463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3646431771313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646431771319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988970 + ... + 3353932.

It is an arithmetic number, because the mean of its divisors is an integer number (471526813800).

Almost surely, 2^{3646431771313} is an apocalyptic number.

It is an amenable number.

3646431771313 is a deficient number, since it is larger than the sum of its proper divisors (125782739087).

3646431771313 is a wasteful number, since it uses less digits than its factorization.

3646431771313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457111.

The product of its digits is 2286144, while the sum is 49.

The spelling of 3646431771313 in words is "three trillion, six hundred forty-six billion, four hundred thirty-one million, seven hundred seventy-one thousand, three hundred thirteen".