421470299 has 2 divisors, whose sum is σ = 421470300. Its totient is φ = 421470298.

The previous prime is 421470277. The next prime is 421470317. The reversal of 421470299 is 992074124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421470299 - 2⁸ = 421470043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421470209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210735149 + 210735150.

It is an arithmetic number, because the mean of its divisors is an integer number (210735150).

Almost surely, 2^421470299 is an apocalyptic number.

421470299 is a deficient number, since it is larger than the sum of its proper divisors (1).

421470299 is an equidigital number, since it uses as much as digits as its factorization.

421470299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 421470299 is about 20529.7418152299. The cubic root of 421470299 is about 749.7601004576.

The spelling of 421470299 in words is "four hundred twenty-one million, four hundred seventy thousand, two hundred ninety-nine".