1429427993 has 16 divisors (see below), whose sum is σ = 1685376000. Its totient is φ = 1186716096.

The previous prime is 1429427971. The next prime is 1429428001. The reversal of 1429427993 is 3997249241.

It is not a de Polignac number, because 1429427993 - 2⁸ = 1429427737 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1429427903) 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, 45383 + ... + 70131.

It is an arithmetic number, because the mean of its divisors is an integer number (105336000).

Almost surely, 2^1429427993 is an apocalyptic number.

It is an amenable number.

1429427993 is a deficient number, since it is larger than the sum of its proper divisors (255948007).

1429427993 is a wasteful number, since it uses less digits than its factorization.

1429427993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25016.

The product of its digits is 979776, while the sum is 50.

The square root of 1429427993 is about 37807.7768851859. The cubic root of 1429427993 is about 1126.4729330396.

The spelling of 1429427993 in words is "one billion, four hundred twenty-nine million, four hundred twenty-seven thousand, nine hundred ninety-three".