1429894193 has 16 divisors (see below), whose sum is σ = 1807438080. Its totient is φ = 1100765376.

The previous prime is 1429894177. The next prime is 1429894201. The reversal of 1429894193 is 3914989241.

It is a cyclic number.

It is not a de Polignac number, because 1429894193 - 2⁴ = 1429894177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1429894133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208973 + ... + 215706.

It is an arithmetic number, because the mean of its divisors is an integer number (112964880).

Almost surely, 2^1429894193 is an apocalyptic number.

1429894193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1429894193 is a deficient number, since it is larger than the sum of its proper divisors (377543887).

1429894193 is a wasteful number, since it uses less digits than its factorization.

1429894193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424736.

The product of its digits is 559872, while the sum is 50.

The square root of 1429894193 is about 37813.9417807771. The cubic root of 1429894193 is about 1126.5953840250.

The spelling of 1429894193 in words is "one billion, four hundred twenty-nine million, eight hundred ninety-four thousand, one hundred ninety-three".