1429091899 has 8 divisors (see below), whose sum is σ = 1478792160. Its totient is φ = 1379419776.

The previous prime is 1429091861. The next prime is 1429091921. The reversal of 1429091899 is 9981909241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1429091899 - 2⁷ = 1429091771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429091849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198979 + ... + 206035.

It is an arithmetic number, because the mean of its divisors is an integer number (184849020).

Almost surely, 2^1429091899 is an apocalyptic number.

1429091899 is a deficient number, since it is larger than the sum of its proper divisors (49700261).

1429091899 is an equidigital number, since it uses as much as digits as its factorization.

1429091899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069.

The product of its (nonzero) digits is 419904, while the sum is 52.

The square root of 1429091899 is about 37803.3318505129. The cubic root of 1429091899 is about 1126.3846388706.

The spelling of 1429091899 in words is "one billion, four hundred twenty-nine million, ninety-one thousand, eight hundred ninety-nine".