1429971568 has 20 divisors (see below), whose sum is σ = 2787165360. Its totient is φ = 710703104.

The previous prime is 1429971563. The next prime is 1429971581. The reversal of 1429971568 is 8651799241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429971563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264913 + ... + 270256.

It is an arithmetic number, because the mean of its divisors is an integer number (139358268).

Almost surely, 2^1429971568 is an apocalyptic number.

It is an amenable number.

1429971568 is a deficient number, since it is larger than the sum of its proper divisors (1357193792).

1429971568 is a wasteful number, since it uses less digits than its factorization.

1429971568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535344 (or 535338 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 1429971568 is about 37814.9648684221. The cubic root of 1429971568 is about 1126.6157045835.

The spelling of 1429971568 in words is "one billion, four hundred twenty-nine million, nine hundred seventy-one thousand, five hundred sixty-eight".