1089864652 has 12 divisors (see below), whose sum is σ = 1943249616. Its totient is φ = 534650480.

The previous prime is 1089864649. The next prime is 1089864661. The reversal of 1089864652 is 2564689801.

It is a super-2 number, since 2×1089864652² = 2375609919358162208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1089864596 and 1089864605.

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 3 ways as a sum of consecutive naturals, for example, 2570224 + ... + 2570647.

It is an arithmetic number, because the mean of its divisors is an integer number (161937468).

Almost surely, 2^1089864652 is an apocalyptic number.

It is an amenable number.

1089864652 is a deficient number, since it is larger than the sum of its proper divisors (853384964).

1089864652 is a wasteful number, since it uses less digits than its factorization.

1089864652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140928 (or 5140926 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 1089864652 is about 33013.0981884464. The cubic root of 1089864652 is about 1029.0998677518.

The spelling of 1089864652 in words is "one billion, eighty-nine million, eight hundred sixty-four thousand, six hundred fifty-two".