1429878799 has 2 divisors, whose sum is σ = 1429878800. Its totient is φ = 1429878798.

The previous prime is 1429878797. The next prime is 1429878803. The reversal of 1429878799 is 9978789241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9978789241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1429878799 - 2¹ = 1429878797 is a prime.

Together with 1429878797, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1429878799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429878797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714939399 + 714939400.

It is an arithmetic number, because the mean of its divisors is an integer number (714939400).

Almost surely, 2^1429878799 is an apocalyptic number.

1429878799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429878799 is an equidigital number, since it uses as much as digits as its factorization.

1429878799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 64.

The square root of 1429878799 is about 37813.7382309657. The cubic root of 1429878799 is about 1126.5913410985.

The spelling of 1429878799 in words is "one billion, four hundred twenty-nine million, eight hundred seventy-eight thousand, seven hundred ninety-nine".