3005666731 has 2 divisors, whose sum is σ = 3005666732. Its totient is φ = 3005666730.

The previous prime is 3005666717. The next prime is 3005666737. The reversal of 3005666731 is 1376665003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3005666731 - 2¹⁵ = 3005633963 is a prime.

It is a super-2 number, since 2×3005666731² = 18068064995680452722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3005666737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502833365 + 1502833366.

It is an arithmetic number, because the mean of its divisors is an integer number (1502833366).

Almost surely, 2^3005666731 is an apocalyptic number.

3005666731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3005666731 is an equidigital number, since it uses as much as digits as its factorization.

3005666731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 3005666731 is about 54823.9612851899. The cubic root of 3005666731 is about 1443.1570925099.

The spelling of 3005666731 in words is "three billion, five million, six hundred sixty-six thousand, seven hundred thirty-one".