2026666699 has 2 divisors, whose sum is σ = 2026666700. Its totient is φ = 2026666698.

The previous prime is 2026666637. The next prime is 2026666709. The reversal of 2026666699 is 9966666202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026666699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2026666399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013333349 + 1013333350.

It is an arithmetic number, because the mean of its divisors is an integer number (1013333350).

Almost surely, 2^2026666699 is an apocalyptic number.

2026666699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026666699 is an equidigital number, since it uses as much as digits as its factorization.

2026666699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The square root of 2026666699 is about 45018.5150688025. The cubic root of 2026666699 is about 1265.4960011338.

The spelling of 2026666699 in words is "two billion, twenty-six million, six hundred sixty-six thousand, six hundred ninety-nine".