419191079 has 2 divisors, whose sum is σ = 419191080. Its totient is φ = 419191078.

The previous prime is 419191063. The next prime is 419191121. The reversal of 419191079 is 970191914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 419191079 - 2⁴ = 419191063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419191679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209595539 + 209595540.

It is an arithmetic number, because the mean of its divisors is an integer number (209595540).

Almost surely, 2^419191079 is an apocalyptic number.

419191079 is a deficient number, since it is larger than the sum of its proper divisors (1).

419191079 is an equidigital number, since it uses as much as digits as its factorization.

419191079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 419191079 is about 20474.1563684563. The cubic root of 419191079 is about 748.4061435244.

The spelling of 419191079 in words is "four hundred nineteen million, one hundred ninety-one thousand, seventy-nine".