612305073647 has 2 divisors, whose sum is σ = 612305073648. Its totient is φ = 612305073646.

The previous prime is 612305073631. The next prime is 612305073671. The reversal of 612305073647 is 746370503216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612305073647 - 2⁴ = 612305073631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612305073598 and 612305073607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612305073617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306152536823 + 306152536824.

It is an arithmetic number, because the mean of its divisors is an integer number (306152536824).

Almost surely, 2^612305073647 is an apocalyptic number.

612305073647 is a deficient number, since it is larger than the sum of its proper divisors (1).

612305073647 is an equidigital number, since it uses as much as digits as its factorization.

612305073647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 612305073647 in words is "six hundred twelve billion, three hundred five million, seventy-three thousand, six hundred forty-seven".