1089353456 has 20 divisors (see below), whose sum is σ = 2132384352. Its totient is φ = 539060736.

The previous prime is 1089353437. The next prime is 1089353479. The reversal of 1089353456 is 6543539801.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349400 + ... + 352503.

Almost surely, 2^1089353456 is an apocalyptic number.

1089353456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1089353456 is a deficient number, since it is larger than the sum of its proper divisors (1043030896).

1089353456 is an equidigital number, since it uses as much as digits as its factorization.

1089353456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702008 (or 702002 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 1089353456 is about 33005.3549594607. The cubic root of 1089353456 is about 1028.9389444032.

The spelling of 1089353456 in words is "one billion, eighty-nine million, three hundred fifty-three thousand, four hundred fifty-six".