420233699 has 2 divisors, whose sum is σ = 420233700. Its totient is φ = 420233698.

The previous prime is 420233689. The next prime is 420233707. The reversal of 420233699 is 996332024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420233699 - 2¹² = 420229603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420233609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210116849 + 210116850.

It is an arithmetic number, because the mean of its divisors is an integer number (210116850).

Almost surely, 2^420233699 is an apocalyptic number.

420233699 is a deficient number, since it is larger than the sum of its proper divisors (1).

420233699 is an equidigital number, since it uses as much as digits as its factorization.

420233699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 420233699 is about 20499.6024107786. The cubic root of 420233699 is about 749.0261131250.

The spelling of 420233699 in words is "four hundred twenty million, two hundred thirty-three thousand, six hundred ninety-nine".