2663893867 has 2 divisors, whose sum is σ = 2663893868. Its totient is φ = 2663893866.

The previous prime is 2663893853. The next prime is 2663893877. The reversal of 2663893867 is 7683983662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2663893867 - 2¹⁵ = 2663861099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2663893877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331946933 + 1331946934.

It is an arithmetic number, because the mean of its divisors is an integer number (1331946934).

Almost surely, 2^2663893867 is an apocalyptic number.

2663893867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663893867 is an equidigital number, since it uses as much as digits as its factorization.

2663893867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 58.

The square root of 2663893867 is about 51612.9234494618. The cubic root of 2663893867 is about 1386.2417440383.

The spelling of 2663893867 in words is "two billion, six hundred sixty-three million, eight hundred ninety-three thousand, eight hundred sixty-seven".