6881294593 has 2 divisors, whose sum is σ = 6881294594. Its totient is φ = 6881294592.

The previous prime is 6881294531. The next prime is 6881294597. The reversal of 6881294593 is 3954921886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3603961089 + 3277333504 = 60033^2 + 57248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6881294593 is a prime.

It is not a weakly prime, because it can be changed into another prime (6881294597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440647296 + 3440647297.

It is an arithmetic number, because the mean of its divisors is an integer number (3440647297).

Almost surely, 2^6881294593 is an apocalyptic number.

It is an amenable number.

6881294593 is a deficient number, since it is larger than the sum of its proper divisors (1).

6881294593 is an equidigital number, since it uses as much as digits as its factorization.

6881294593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 55.

The square root of 6881294593 is about 82953.5688985109. The cubic root of 6881294593 is about 1902.0563694339.

The spelling of 6881294593 in words is "six billion, eight hundred eighty-one million, two hundred ninety-four thousand, five hundred ninety-three".