2666736827 has 2 divisors, whose sum is σ = 2666736828. Its totient is φ = 2666736826.

The previous prime is 2666736799. The next prime is 2666736907. The reversal of 2666736827 is 7286376662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666736827 - 2⁶ = 2666736763 is a prime.

It is a super-2 number, since 2×2666736827² = 14222970608956055858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2666736727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333368413 + 1333368414.

It is an arithmetic number, because the mean of its divisors is an integer number (1333368414).

Almost surely, 2^2666736827 is an apocalyptic number.

2666736827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666736827 is an equidigital number, since it uses as much as digits as its factorization.

2666736827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The square root of 2666736827 is about 51640.4572694704. The cubic root of 2666736827 is about 1386.7347102091.

The spelling of 2666736827 in words is "two billion, six hundred sixty-six million, seven hundred thirty-six thousand, eight hundred twenty-seven".