612042208357 has 2 divisors, whose sum is σ = 612042208358. Its totient is φ = 612042208356.

The previous prime is 612042208343. The next prime is 612042208361. The reversal of 612042208357 is 753802240216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478865384001 + 133176824356 = 692001^2 + 364934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612042208357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612042208397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306021104178 + 306021104179.

It is an arithmetic number, because the mean of its divisors is an integer number (306021104179).

Almost surely, 2^612042208357 is an apocalyptic number.

It is an amenable number.

612042208357 is a deficient number, since it is larger than the sum of its proper divisors (1).

612042208357 is an equidigital number, since it uses as much as digits as its factorization.

612042208357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 612042208357 in words is "six hundred twelve billion, forty-two million, two hundred eight thousand, three hundred fifty-seven".