612613399835 has 4 divisors (see below), whose sum is σ = 735136079808. Its totient is φ = 490090719864.

The previous prime is 612613399687. The next prime is 612613399837. The reversal of 612613399835 is 538993316216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612613399835 - 2⁸ = 612613399579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612613399837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61261339979 + ... + 61261339988.

It is an arithmetic number, because the mean of its divisors is an integer number (183784019952).

Almost surely, 2^612613399835 is an apocalyptic number.

612613399835 is a deficient number, since it is larger than the sum of its proper divisors (122522679973).

612613399835 is a wasteful number, since it uses less digits than its factorization.

612613399835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122522679972.

The product of its digits is 6298560, while the sum is 56.

The spelling of 612613399835 in words is "six hundred twelve billion, six hundred thirteen million, three hundred ninety-nine thousand, eight hundred thirty-five".