612178142297 has 2 divisors, whose sum is σ = 612178142298. Its totient is φ = 612178142296.

The previous prime is 612178142263. The next prime is 612178142299. The reversal of 612178142297 is 792241871216.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612174797056 + 3345241 = 782416^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 612178142297 - 2⁸ = 612178142041 is a prime.

Together with 612178142299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612178142299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306089071148 + 306089071149.

It is an arithmetic number, because the mean of its divisors is an integer number (306089071149).

Almost surely, 2^612178142297 is an apocalyptic number.

It is an amenable number.

612178142297 is a deficient number, since it is larger than the sum of its proper divisors (1).

612178142297 is an equidigital number, since it uses as much as digits as its factorization.

612178142297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 50.

The spelling of 612178142297 in words is "six hundred twelve billion, one hundred seventy-eight million, one hundred forty-two thousand, two hundred ninety-seven".