429959399 has 2 divisors, whose sum is σ = 429959400. Its totient is φ = 429959398.

The previous prime is 429959377. The next prime is 429959407. The reversal of 429959399 is 993959924.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429959399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429959899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214979699 + 214979700.

It is an arithmetic number, because the mean of its divisors is an integer number (214979700).

Almost surely, 2^429959399 is an apocalyptic number.

429959399 is a deficient number, since it is larger than the sum of its proper divisors (1).

429959399 is an equidigital number, since it uses as much as digits as its factorization.

429959399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7085880, while the sum is 59.

The square root of 429959399 is about 20735.4623531765. The cubic root of 429959399 is about 754.7604748713.

The spelling of 429959399 in words is "four hundred twenty-nine million, nine hundred fifty-nine thousand, three hundred ninety-nine".