420584699 has 2 divisors, whose sum is σ = 420584700. Its totient is φ = 420584698.

The previous prime is 420584669. The next prime is 420584707. The reversal of 420584699 is 996485024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420584699 - 2²⁸ = 152149243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420584629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210292349 + 210292350.

It is an arithmetic number, because the mean of its divisors is an integer number (210292350).

Almost surely, 2^420584699 is an apocalyptic number.

420584699 is a deficient number, since it is larger than the sum of its proper divisors (1).

420584699 is an equidigital number, since it uses as much as digits as its factorization.

420584699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 420584699 is about 20508.1617655020. The cubic root of 420584699 is about 749.2345963272.

The spelling of 420584699 in words is "four hundred twenty million, five hundred eighty-four thousand, six hundred ninety-nine".