419920093 has 2 divisors, whose sum is σ = 419920094. Its totient is φ = 419920092.

The previous prime is 419920063. The next prime is 419920097. The reversal of 419920093 is 390029914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378613764 + 41306329 = 19458^2 + 6427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419920093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419920097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209960046 + 209960047.

It is an arithmetic number, because the mean of its divisors is an integer number (209960047).

Almost surely, 2^419920093 is an apocalyptic number.

It is an amenable number.

419920093 is a deficient number, since it is larger than the sum of its proper divisors (1).

419920093 is an equidigital number, since it uses as much as digits as its factorization.

419920093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 419920093 is about 20491.9519080052. The cubic root of 419920093 is about 748.8397425885.

The spelling of 419920093 in words is "four hundred nineteen million, nine hundred twenty thousand, ninety-three".