612660453983 has 2 divisors, whose sum is σ = 612660453984. Its totient is φ = 612660453982.

The previous prime is 612660453973. The next prime is 612660454019. The reversal of 612660453983 is 389354066216.

612660453983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612660453983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612660453913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306330226991 + 306330226992.

It is an arithmetic number, because the mean of its divisors is an integer number (306330226992).

Almost surely, 2^612660453983 is an apocalyptic number.

612660453983 is a deficient number, since it is larger than the sum of its proper divisors (1).

612660453983 is an equidigital number, since it uses as much as digits as its factorization.

612660453983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 612660453983 in words is "six hundred twelve billion, six hundred sixty million, four hundred fifty-three thousand, nine hundred eighty-three".