394922732419 has 2 divisors, whose sum is σ = 394922732420. Its totient is φ = 394922732418.

The previous prime is 394922732389. The next prime is 394922732459. The reversal of 394922732419 is 914237229493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 394922732419 - 2⁷ = 394922732291 is a prime.

It is a super-2 number, since 2×394922732419² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 394922732419.

It is not a weakly prime, because it can be changed into another prime (394922732459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197461366209 + 197461366210.

It is an arithmetic number, because the mean of its divisors is an integer number (197461366210).

Almost surely, 2^394922732419 is an apocalyptic number.

394922732419 is a deficient number, since it is larger than the sum of its proper divisors (1).

394922732419 is an equidigital number, since it uses as much as digits as its factorization.

394922732419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 55.

The spelling of 394922732419 in words is "three hundred ninety-four billion, nine hundred twenty-two million, seven hundred thirty-two thousand, four hundred nineteen".