6581230893 has 12 divisors (see below), whose sum is σ = 10065412188. Its totient is φ = 4129399680.

The previous prime is 6581230871. The next prime is 6581230897. The reversal of 6581230893 is 3980321856.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3984513129 + 2596717764 = 63123^2 + 50958^2 .

It is not a de Polignac number, because 6581230893 - 2⁶ = 6581230829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581230897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21507138 + ... + 21507443.

It is an arithmetic number, because the mean of its divisors is an integer number (838784349).

Almost surely, 2^6581230893 is an apocalyptic number.

It is an amenable number.

6581230893 is a deficient number, since it is larger than the sum of its proper divisors (3484181295).

6581230893 is a wasteful number, since it uses less digits than its factorization.

6581230893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43014604 (or 43014601 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6581230893 is about 81124.7859350026. The cubic root of 6581230893 is about 1873.9976526287.

The spelling of 6581230893 in words is "six billion, five hundred eighty-one million, two hundred thirty thousand, eight hundred ninety-three".