15620241613 has 8 divisors (see below), whose sum is σ = 15876858816. Its totient is φ = 15364641600.

The previous prime is 15620241569. The next prime is 15620241719. The reversal of 15620241613 is 31614202651.

It is a happy number.

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-15620241613 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 (15620241113) 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, 223303 + ... + 284788.

It is an arithmetic number, because the mean of its divisors is an integer number (1984607352).

Almost surely, 2^15620241613 is an apocalyptic number.

It is an amenable number.

15620241613 is a deficient number, since it is larger than the sum of its proper divisors (256617203).

15620241613 is an equidigital number, since it uses as much as digits as its factorization.

15620241613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508595.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 15620241613 in words is "fifteen billion, six hundred twenty million, two hundred forty-one thousand, six hundred thirteen".