1089346481 has 2 divisors, whose sum is σ = 1089346482. Its totient is φ = 1089346480.

The previous prime is 1089346439. The next prime is 1089346529. The reversal of 1089346481 is 1846439801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644347456 + 444999025 = 25384^2 + 21095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089346481 is a prime.

It is a super-2 number, since 2×1089346481² = 2373351511334166722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1089346421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544673240 + 544673241.

It is an arithmetic number, because the mean of its divisors is an integer number (544673241).

Almost surely, 2^1089346481 is an apocalyptic number.

It is an amenable number.

1089346481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089346481 is an equidigital number, since it uses as much as digits as its factorization.

1089346481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1089346481 is about 33005.2492946198. The cubic root of 1089346481 is about 1028.9367483408.

The spelling of 1089346481 in words is "one billion, eighty-nine million, three hundred forty-six thousand, four hundred eighty-one".