612394493219 has 2 divisors, whose sum is σ = 612394493220. Its totient is φ = 612394493218.

The previous prime is 612394493209. The next prime is 612394493303. The reversal of 612394493219 is 912394493216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612394493219 - 2³⁶ = 543675016483 is a prime.

It is a super-2 number, since 2×612394493219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612394493209) 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 as a sum of consecutive naturals, namely, 306197246609 + 306197246610.

It is an arithmetic number, because the mean of its divisors is an integer number (306197246610).

Almost surely, 2^612394493219 is an apocalyptic number.

612394493219 is a deficient number, since it is larger than the sum of its proper divisors (1).

612394493219 is an equidigital number, since it uses as much as digits as its factorization.

612394493219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 53.

The spelling of 612394493219 in words is "six hundred twelve billion, three hundred ninety-four million, four hundred ninety-three thousand, two hundred nineteen".