2691696019 has 2 divisors, whose sum is σ = 2691696020. Its totient is φ = 2691696018.

The previous prime is 2691696011. The next prime is 2691696023. The reversal of 2691696019 is 9106961962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2691696019 - 2³ = 2691696011 is a prime.

It is a super-2 number, since 2×2691696019² = 14490454917400896722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2691696011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345848009 + 1345848010.

It is an arithmetic number, because the mean of its divisors is an integer number (1345848010).

Almost surely, 2^2691696019 is an apocalyptic number.

2691696019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691696019 is an equidigital number, since it uses as much as digits as its factorization.

2691696019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 2691696019 is about 51881.5575999796. The cubic root of 2691696019 is about 1391.0476409193.

The spelling of 2691696019 in words is "two billion, six hundred ninety-one million, six hundred ninety-six thousand, nineteen".