2066754731 has 2 divisors, whose sum is σ = 2066754732. Its totient is φ = 2066754730.

The previous prime is 2066754577. The next prime is 2066754827. The reversal of 2066754731 is 1374576602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066754731 is a prime.

It is a super-2 number, since 2×2066754731² = 8542950236221764722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2066754031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033377365 + 1033377366.

It is an arithmetic number, because the mean of its divisors is an integer number (1033377366).

Almost surely, 2^2066754731 is an apocalyptic number.

2066754731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066754731 is an equidigital number, since it uses as much as digits as its factorization.

2066754731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 2066754731 is about 45461.5742248330. The cubic root of 2066754731 is about 1273.7855370953.

The spelling of 2066754731 in words is "two billion, sixty-six million, seven hundred fifty-four thousand, seven hundred thirty-one".