2691696419 has 4 divisors (see below), whose sum is σ = 2692440144. Its totient is φ = 2690952696.

The previous prime is 2691696401. The next prime is 2691696433. The reversal of 2691696419 is 9146961962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2691696419 is a prime.

It is a super-2 number, since 2×2691696419² = 14490459224114847122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2691696019) 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 in 3 ways as a sum of consecutive naturals, for example, 366407 + ... + 373680.

It is an arithmetic number, because the mean of its divisors is an integer number (673110036).

Almost surely, 2^2691696419 is an apocalyptic number.

2691696419 is a deficient number, since it is larger than the sum of its proper divisors (743725).

2691696419 is an equidigital number, since it uses as much as digits as its factorization.

2691696419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743724.

The product of its digits is 1259712, while the sum is 53.

The square root of 2691696419 is about 51881.5614549138. The cubic root of 2691696419 is about 1391.0477098249.

The spelling of 2691696419 in words is "two billion, six hundred ninety-one million, six hundred ninety-six thousand, four hundred nineteen".