419920097 has 2 divisors, whose sum is σ = 419920098. Its totient is φ = 419920096.

The previous prime is 419920093. The next prime is 419920103. The reversal of 419920097 is 790029914.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263770081 + 156150016 = 16241^2 + 12496^2 .

It is a cyclic number.

It is not a de Polignac number, because 419920097 - 2² = 419920093 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (419920093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209960048 + 209960049.

It is an arithmetic number, because the mean of its divisors is an integer number (209960049).

Almost surely, 2^419920097 is an apocalyptic number.

It is an amenable number.

419920097 is a deficient number, since it is larger than the sum of its proper divisors (1).

419920097 is an equidigital number, since it uses as much as digits as its factorization.

419920097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 419920097 is about 20491.9520056045. The cubic root of 419920097 is about 748.8397449662.

The spelling of 419920097 in words is "four hundred nineteen million, nine hundred twenty thousand, ninety-seven".