2693779943 has 2 divisors, whose sum is σ = 2693779944. Its totient is φ = 2693779942.

The previous prime is 2693779903. The next prime is 2693779951. The reversal of 2693779943 is 3499773962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2693779943 - 2⁸ = 2693779687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2693779903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346889971 + 1346889972.

It is an arithmetic number, because the mean of its divisors is an integer number (1346889972).

Almost surely, 2^2693779943 is an apocalyptic number.

2693779943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2693779943 is an equidigital number, since it uses as much as digits as its factorization.

2693779943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 59.

The square root of 2693779943 is about 51901.6371899770. The cubic root of 2693779943 is about 1391.4065335737.

The spelling of 2693779943 in words is "two billion, six hundred ninety-three million, seven hundred seventy-nine thousand, nine hundred forty-three".