1029947659 has 12 divisors (see below), whose sum is σ = 1159503856. Its totient is φ = 909379152.

The previous prime is 1029947647. The next prime is 1029947683. The reversal of 1029947659 is 9567499201.

1029947659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1029947659 - 2¹¹ = 1029945611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029947609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68007 + ... + 81760.

Almost surely, 2^1029947659 is an apocalyptic number.

1029947659 is a deficient number, since it is larger than the sum of its proper divisors (129556197).

1029947659 is a wasteful number, since it uses less digits than its factorization.

1029947659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149826 (or 149803 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 1029947659 is about 32092.7976187804. The cubic root of 1029947659 is about 1009.8845272031.

The spelling of 1029947659 in words is "one billion, twenty-nine million, nine hundred forty-seven thousand, six hundred fifty-nine".