2066774431 has 2 divisors, whose sum is σ = 2066774432. Its totient is φ = 2066774430.

The previous prime is 2066774401. The next prime is 2066774461. The reversal of 2066774431 is 1344776602.

It is a balanced prime because it is at equal distance from previous prime (2066774401) and next prime (2066774461).

It is a cyclic number.

It is not a de Polignac number, because 2066774431 - 2²⁵ = 2033219999 is a prime.

It is a super-2 number, since 2×2066774431² = 8543113097270747522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066774401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033387215 + 1033387216.

It is an arithmetic number, because the mean of its divisors is an integer number (1033387216).

Almost surely, 2^2066774431 is an apocalyptic number.

2066774431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066774431 is an equidigital number, since it uses as much as digits as its factorization.

2066774431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 2066774431 is about 45461.7908908129. The cubic root of 2066774431 is about 1273.7895842608.

The spelling of 2066774431 in words is "two billion, sixty-six million, seven hundred seventy-four thousand, four hundred thirty-one".