1030808889 has 32 divisors (see below), whose sum is σ = 1763959680. Its totient is φ = 587980800.

The previous prime is 1030808861. The next prime is 1030808951. The reversal of 1030808889 is 9888080301.

It is not a de Polignac number, because 1030808889 - 2²⁰ = 1029760313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1030808809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97032 + ... + 107129.

It is an arithmetic number, because the mean of its divisors is an integer number (55123740).

Almost surely, 2^1030808889 is an apocalyptic number.

It is an amenable number.

1030808889 is a deficient number, since it is larger than the sum of its proper divisors (733150791).

1030808889 is a wasteful number, since it uses less digits than its factorization.

1030808889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204198 (or 204192 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 1030808889 is about 32106.2126231046. The cubic root of 1030808889 is about 1010.1659332640.

The spelling of 1030808889 in words is "one billion, thirty million, eight hundred eight thousand, eight hundred eighty-nine".