2691877423 has 2 divisors, whose sum is σ = 2691877424. Its totient is φ = 2691877422.

The previous prime is 2691877387. The next prime is 2691877429. The reversal of 2691877423 is 3247781962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2691877423 - 2²⁵ = 2658322991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2691877429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345938711 + 1345938712.

It is an arithmetic number, because the mean of its divisors is an integer number (1345938712).

Almost surely, 2^2691877423 is an apocalyptic number.

2691877423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691877423 is an equidigital number, since it uses as much as digits as its factorization.

2691877423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 2691877423 is about 51883.3058218152. The cubic root of 2691877423 is about 1391.0788896110.

The spelling of 2691877423 in words is "two billion, six hundred ninety-one million, eight hundred seventy-seven thousand, four hundred twenty-three".