1429427985 has 8 divisors (see below), whose sum is σ = 2287084800. Its totient is φ = 762361584.

The previous prime is 1429427971. The next prime is 1429428001. The reversal of 1429427985 is 5897249241.

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

It is not a de Polignac number, because 1429427985 - 2⁵ = 1429427953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47647585 + ... + 47647614.

It is an arithmetic number, because the mean of its divisors is an integer number (285885600).

Almost surely, 2^1429427985 is an apocalyptic number.

1429427985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1429427985 is a deficient number, since it is larger than the sum of its proper divisors (857656815).

1429427985 is an equidigital number, since it uses as much as digits as its factorization.

1429427985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95295207.

The product of its digits is 1451520, while the sum is 51.

The square root of 1429427985 is about 37807.7767793876. The cubic root of 1429427985 is about 1126.4729309381.

The spelling of 1429427985 in words is "one billion, four hundred twenty-nine million, four hundred twenty-seven thousand, nine hundred eighty-five".