612243202613 has 12 divisors (see below), whose sum is σ = 717809167872. Its totient is φ = 520647757560.

The previous prime is 612243202601. The next prime is 612243202619. The reversal of 612243202613 is 316202342216.

It is not a de Polignac number, because 612243202613 - 2³⁰ = 611169460789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612243202613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612243202619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49185743 + ... + 49198188.

It is an arithmetic number, because the mean of its divisors is an integer number (59817430656).

Almost surely, 2^612243202613 is an apocalyptic number.

It is an amenable number.

612243202613 is a deficient number, since it is larger than the sum of its proper divisors (105565965259).

612243202613 is a wasteful number, since it uses less digits than its factorization.

612243202613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98384072 (or 98384065 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 612243202613 its reverse (316202342216), we get a palindrome (928445544829).

The spelling of 612243202613 in words is "six hundred twelve billion, two hundred forty-three million, two hundred two thousand, six hundred thirteen".