2681916019 has 2 divisors, whose sum is σ = 2681916020. Its totient is φ = 2681916018.

The previous prime is 2681916007. The next prime is 2681916031. The reversal of 2681916019 is 9106191862.

It is a balanced prime because it is at equal distance from previous prime (2681916007) and next prime (2681916031).

It is a cyclic number.

It is not a de Polignac number, because 2681916019 - 2¹⁵ = 2681883251 is a prime.

It is a super-2 number, since 2×2681916019² = 14385347065937616722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2681916059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340958009 + 1340958010.

It is an arithmetic number, because the mean of its divisors is an integer number (1340958010).

Almost surely, 2^2681916019 is an apocalyptic number.

2681916019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681916019 is an equidigital number, since it uses as much as digits as its factorization.

2681916019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 2681916019 is about 51787.2186837640. The cubic root of 2681916019 is about 1389.3608536105.

The spelling of 2681916019 in words is "two billion, six hundred eighty-one million, nine hundred sixteen thousand, nineteen".