42699299 has 2 divisors, whose sum is σ = 42699300. Its totient is φ = 42699298.

The previous prime is 42699287. The next prime is 42699337. The reversal of 42699299 is 99299624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42699299 is a prime.

It is not a weakly prime, because it can be changed into another prime (42699229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21349649 + 21349650.

It is an arithmetic number, because the mean of its divisors is an integer number (21349650).

Almost surely, 2^42699299 is an apocalyptic number.

42699299 is a deficient number, since it is larger than the sum of its proper divisors (1).

42699299 is an equidigital number, since it uses as much as digits as its factorization.

42699299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 42699299 is about 6534.4700626753. The cubic root of 42699299 is about 349.5212474709.

The spelling of 42699299 in words is "forty-two million, six hundred ninety-nine thousand, two hundred ninety-nine".