3093871681 has 2 divisors, whose sum is σ = 3093871682. Its totient is φ = 3093871680.

The previous prime is 3093871637. The next prime is 3093871709. The reversal of 3093871681 is 1861783903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1917038656 + 1176833025 = 43784^2 + 34305^2 .

It is a cyclic number.

It is not a de Polignac number, because 3093871681 - 2⁹ = 3093871169 is a prime.

It is a super-2 number, since 2×3093871681² = 19144083956987531522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3093871601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1546935840 + 1546935841.

It is an arithmetic number, because the mean of its divisors is an integer number (1546935841).

Almost surely, 2^3093871681 is an apocalyptic number.

It is an amenable number.

3093871681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3093871681 is an equidigital number, since it uses as much as digits as its factorization.

3093871681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 3093871681 is about 55622.5824733084. The cubic root of 3093871681 is about 1457.1382739933.

The spelling of 3093871681 in words is "three billion, ninety-three million, eight hundred seventy-one thousand, six hundred eighty-one".