1089764612 has 12 divisors (see below), whose sum is σ = 1924912080. Its totient is φ = 539789736.

The previous prime is 1089764597. The next prime is 1089764623. The reversal of 1089764612 is 2164679801.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 1272662 + ... + 1273517.

It is an arithmetic number, because the mean of its divisors is an integer number (160409340).

Almost surely, 2^1089764612 is an apocalyptic number.

It is an amenable number.

1089764612 is a deficient number, since it is larger than the sum of its proper divisors (835147468).

1089764612 is a wasteful number, since it uses less digits than its factorization.

1089764612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546290 (or 2546288 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1089764612 is about 33011.5829974874. The cubic root of 1089764612 is about 1029.0683793461.

The spelling of 1089764612 in words is "one billion, eighty-nine million, seven hundred sixty-four thousand, six hundred twelve".