1089473512 has 16 divisors (see below), whose sum is σ = 2081306340. Its totient is φ = 534458496.

The previous prime is 1089473507. The next prime is 1089473519. The reversal of 1089473512 is 2153749801.

It can be written as a sum of positive squares in 2 ways, for example, as 995654916 + 93818596 = 31554^2 + 9686^2 .

It is a super-2 number, since 2×1089473512² = 2373905066699228288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1089473519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284333 + ... + 1285180.

Almost surely, 2^1089473512 is an apocalyptic number.

It is an amenable number.

1089473512 is a deficient number, since it is larger than the sum of its proper divisors (991832828).

1089473512 is a wasteful number, since it uses less digits than its factorization.

1089473512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569572 (or 2569568 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1089473512 is about 33007.1736445276. The cubic root of 1089473512 is about 1028.9767422840.

The spelling of 1089473512 in words is "one billion, eighty-nine million, four hundred seventy-three thousand, five hundred twelve".