1089964696 has 8 divisors (see below), whose sum is σ = 2043683820. Its totient is φ = 544982344.

The previous prime is 1089964661. The next prime is 1089964699. The reversal of 1089964696 is 6964699801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1089964696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089964699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68122786 + ... + 68122801.

Almost surely, 2^1089964696 is an apocalyptic number.

It is an amenable number.

1089964696 is a deficient number, since it is larger than the sum of its proper divisors (953719124).

1089964696 is a wasteful number, since it uses less digits than its factorization.

1089964696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136245593 (or 136245589 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 1089964696 is about 33014.6133704455. The cubic root of 1089964696 is about 1029.1313554896.

The spelling of 1089964696 in words is "one billion, eighty-nine million, nine hundred sixty-four thousand, six hundred ninety-six".