1429825449 has 16 divisors (see below), whose sum is σ = 2161140800. Its totient is φ = 833582016.

The previous prime is 1429825417. The next prime is 1429825459. The reversal of 1429825449 is 9445289241.

It is not a de Polignac number, because 1429825449 - 2⁵ = 1429825417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1429825398 and 1429825407.

It is not an unprimeable number, because it can be changed into a prime (1429825459) 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 15 ways as a sum of consecutive naturals, for example, 964054 + ... + 965535.

It is an arithmetic number, because the mean of its divisors is an integer number (135071300).

Almost surely, 2^1429825449 is an apocalyptic number.

1429825449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1429825449 is a deficient number, since it is larger than the sum of its proper divisors (731315351).

1429825449 is a wasteful number, since it uses less digits than its factorization.

1429825449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929624.

The product of its digits is 829440, while the sum is 48.

The square root of 1429825449 is about 37813.0327929406. The cubic root of 1429825449 is about 1126.5773295623.

The spelling of 1429825449 in words is "one billion, four hundred twenty-nine million, eight hundred twenty-five thousand, four hundred forty-nine".