1029168849 has 16 divisors (see below), whose sum is σ = 1421481600. Its totient is φ = 661549056.

The previous prime is 1029168817. The next prime is 1029168851. The reversal of 1029168849 is 9488619201.

It is not a de Polignac number, because 1029168849 - 2⁵ = 1029168817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1029168798 and 1029168807.

It is not an unprimeable number, because it can be changed into a prime (1029168809) 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, 59212 + ... + 74594.

It is an arithmetic number, because the mean of its divisors is an integer number (88842600).

Almost surely, 2^1029168849 is an apocalyptic number.

It is an amenable number.

1029168849 is a deficient number, since it is larger than the sum of its proper divisors (392312751).

1029168849 is a wasteful number, since it uses less digits than its factorization.

1029168849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16184.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 1029168849 is about 32080.6616047737. The cubic root of 1029168849 is about 1009.6299166934.

The spelling of 1029168849 in words is "one billion, twenty-nine million, one hundred sixty-eight thousand, eight hundred forty-nine".