420333049 has 2 divisors, whose sum is σ = 420333050. Its totient is φ = 420333048.

The previous prime is 420333037. The next prime is 420333059. The reversal of 420333049 is 940333024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395731449 + 24601600 = 19893^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 420333049 - 2⁷ = 420332921 is a prime.

It is not a weakly prime, because it can be changed into another prime (420333059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210166524 + 210166525.

It is an arithmetic number, because the mean of its divisors is an integer number (210166525).

Almost surely, 2^420333049 is an apocalyptic number.

It is an amenable number.

420333049 is a deficient number, since it is larger than the sum of its proper divisors (1).

420333049 is an equidigital number, since it uses as much as digits as its factorization.

420333049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 420333049 is about 20502.0254853027. The cubic root of 420333049 is about 749.0851357442.

The spelling of 420333049 in words is "four hundred twenty million, three hundred thirty-three thousand, forty-nine".