3623431311613 has 32 divisors (see below), whose sum is σ = 3843987840000. Its totient is φ = 3410176503552.

The previous prime is 3623431311601. The next prime is 3623431311637. The reversal of 3623431311613 is 3161131343263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3623431311613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623431321613) 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, 161252343 + ... + 161274811.

It is an arithmetic number, because the mean of its divisors is an integer number (120124620000).

Almost surely, 2^{3623431311613} is an apocalyptic number.

It is an amenable number.

3623431311613 is a deficient number, since it is larger than the sum of its proper divisors (220556528387).

3623431311613 is a wasteful number, since it uses less digits than its factorization.

3623431311613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23229.

The product of its digits is 69984, while the sum is 37.

Adding to 3623431311613 its reverse (3161131343263), we get a palindrome (6784562654876).

The spelling of 3623431311613 in words is "three trillion, six hundred twenty-three billion, four hundred thirty-one million, three hundred eleven thousand, six hundred thirteen".