319830422477 has 2 divisors, whose sum is σ = 319830422478. Its totient is φ = 319830422476.

The previous prime is 319830422467. The next prime is 319830422479. The reversal of 319830422477 is 774224038913.

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., 169139722756 + 150690699721 = 411266^2 + 388189^2 .

It is a cyclic number.

It is not a de Polignac number, because 319830422477 - 2¹² = 319830418381 is a prime.

Together with 319830422479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319830422479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159915211238 + 159915211239.

It is an arithmetic number, because the mean of its divisors is an integer number (159915211239).

Almost surely, 2^319830422477 is an apocalyptic number.

It is an amenable number.

319830422477 is a deficient number, since it is larger than the sum of its proper divisors (1).

319830422477 is an equidigital number, since it uses as much as digits as its factorization.

319830422477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 319830422477 in words is "three hundred nineteen billion, eight hundred thirty million, four hundred twenty-two thousand, four hundred seventy-seven".