419990057 has 2 divisors, whose sum is σ = 419990058. Its totient is φ = 419990056.

The previous prime is 419990033. The next prime is 419990069. The reversal of 419990057 is 750099914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223681936 + 196308121 = 14956^2 + 14011^2 .

It is a cyclic number.

It is not a de Polignac number, because 419990057 - 2⁶ = 419989993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (419990657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209995028 + 209995029.

It is an arithmetic number, because the mean of its divisors is an integer number (209995029).

Almost surely, 2^419990057 is an apocalyptic number.

It is an amenable number.

419990057 is a deficient number, since it is larger than the sum of its proper divisors (1).

419990057 is an equidigital number, since it uses as much as digits as its factorization.

419990057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 419990057 is about 20493.6589461228. The cubic root of 419990057 is about 748.8813290039.

The spelling of 419990057 in words is "four hundred nineteen million, nine hundred ninety thousand, fifty-seven".