419429797957 has 2 divisors, whose sum is σ = 419429797958. Its totient is φ = 419429797956.

The previous prime is 419429797903. The next prime is 419429797999. The reversal of 419429797957 is 759797924914.

It is a Cunningham number, because it is equal to 647634²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419429797956 + 1 = 647634^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419429797957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 419429797957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419429794957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209714898978 + 209714898979.

It is an arithmetic number, because the mean of its divisors is an integer number (209714898979).

Almost surely, 2^419429797957 is an apocalyptic number.

It is an amenable number.

419429797957 is a deficient number, since it is larger than the sum of its proper divisors (1).

419429797957 is an equidigital number, since it uses as much as digits as its factorization.

419429797957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360067680, while the sum is 73.

The spelling of 419429797957 in words is "four hundred nineteen billion, four hundred twenty-nine million, seven hundred ninety-seven thousand, nine hundred fifty-seven".