1081464893 has 2 divisors, whose sum is σ = 1081464894. Its totient is φ = 1081464892.

The previous prime is 1081464887. The next prime is 1081464907. The reversal of 1081464893 is 3984641801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1063933924 + 17530969 = 32618^2 + 4187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081464893 - 2¹⁴ = 1081448509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081464833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540732446 + 540732447.

It is an arithmetic number, because the mean of its divisors is an integer number (540732447).

Almost surely, 2^1081464893 is an apocalyptic number.

It is an amenable number.

1081464893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081464893 is an equidigital number, since it uses as much as digits as its factorization.

1081464893 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 1081464893 is about 32885.6335350256. The cubic root of 1081464893 is about 1026.4492346910.

The spelling of 1081464893 in words is "one billion, eighty-one million, four hundred sixty-four thousand, eight hundred ninety-three".