1429495209 has 20 divisors (see below), whose sum is σ = 2143570176. Its totient is φ = 949359096.

The previous prime is 1429495169. The next prime is 1429495261. The reversal of 1429495209 is 9025949241.

It is not a de Polignac number, because 1429495209 - 2¹⁷ = 1429364137 is a prime.

It is a super-3 number, since 3×1429495209³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1429495009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12249 + ... + 54854.

Almost surely, 2^1429495209 is an apocalyptic number.

It is an amenable number.

1429495209 is a deficient number, since it is larger than the sum of its proper divisors (714074967).

1429495209 is an equidigital number, since it uses as much as digits as its factorization.

1429495209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67378 (or 67369 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1429495209 is about 37808.6657923815. The cubic root of 1429495209 is about 1126.4905894771.

The spelling of 1429495209 in words is "one billion, four hundred twenty-nine million, four hundred ninety-five thousand, two hundred nine".