419492690797 has 2 divisors, whose sum is σ = 419492690798. Its totient is φ = 419492690796.

The previous prime is 419492690783. The next prime is 419492690857. The reversal of 419492690797 is 797096294914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404113218601 + 15379472196 = 635699^2 + 124014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419492690797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419492690717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209746345398 + 209746345399.

It is an arithmetic number, because the mean of its divisors is an integer number (209746345399).

Almost surely, 2^419492690797 is an apocalyptic number.

It is an amenable number.

419492690797 is a deficient number, since it is larger than the sum of its proper divisors (1).

419492690797 is an equidigital number, since it uses as much as digits as its factorization.

419492690797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61725888, while the sum is 67.

The spelling of 419492690797 in words is "four hundred nineteen billion, four hundred ninety-two million, six hundred ninety thousand, seven hundred ninety-seven".