612695075893 has 2 divisors, whose sum is σ = 612695075894. Its totient is φ = 612695075892.

The previous prime is 612695075879. The next prime is 612695075911. The reversal of 612695075893 is 398570596216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362237867044 + 250457208849 = 601862^2 + 500457^2 .

It is a cyclic number.

It is not a de Polignac number, because 612695075893 - 2⁹ = 612695075381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612695075813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306347537946 + 306347537947.

It is an arithmetic number, because the mean of its divisors is an integer number (306347537947).

Almost surely, 2^612695075893 is an apocalyptic number.

It is an amenable number.

612695075893 is a deficient number, since it is larger than the sum of its proper divisors (1).

612695075893 is an equidigital number, since it uses as much as digits as its factorization.

612695075893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 612695075893 in words is "six hundred twelve billion, six hundred ninety-five million, seventy-five thousand, eight hundred ninety-three".