2805995963 has 2 divisors, whose sum is σ = 2805995964. Its totient is φ = 2805995962.

The previous prime is 2805995893. The next prime is 2805995977. The reversal of 2805995963 is 3695995082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2805995963 - 2²⁸ = 2537560507 is a prime.

It is a super-2 number, since 2×2805995963² = 15747226688744594738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2805995899 and 2805995908.

It is not a weakly prime, because it can be changed into another prime (2805995993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402997981 + 1402997982.

It is an arithmetic number, because the mean of its divisors is an integer number (1402997982).

Almost surely, 2^2805995963 is an apocalyptic number.

2805995963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805995963 is an equidigital number, since it uses as much as digits as its factorization.

2805995963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The square root of 2805995963 is about 52971.6524473232. The cubic root of 2805995963 is about 1410.4651087034.

The spelling of 2805995963 in words is "two billion, eight hundred five million, nine hundred ninety-five thousand, nine hundred sixty-three".