1429345818 has 32 divisors (see below), whose sum is σ = 3178718400. Its totient is φ = 476089488.

The previous prime is 1429345781. The next prime is 1429345831. The reversal of 1429345818 is 8185439241.

1429345818 is a `hidden beast` number, since 14 + 29 + 34 + 581 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67905 + ... + 86427.

It is an arithmetic number, because the mean of its divisors is an integer number (99334950).

Almost surely, 2^1429345818 is an apocalyptic number.

1429345818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1429345818 is an abundant number, since it is smaller than the sum of its proper divisors (1749372582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429345818 is a wasteful number, since it uses less digits than its factorization.

1429345818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19963 (or 19957 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1429345818 is about 37806.6901222522. The cubic root of 1429345818 is about 1126.4513463892.

The spelling of 1429345818 in words is "one billion, four hundred twenty-nine million, three hundred forty-five thousand, eight hundred eighteen".