4027671491 has 2 divisors, whose sum is σ = 4027671492. Its totient is φ = 4027671490.

The previous prime is 4027671463. The next prime is 4027671493. The reversal of 4027671491 is 1941767204.

4027671491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4027671491 is a prime.

Together with 4027671493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4027671493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013835745 + 2013835746.

It is an arithmetic number, because the mean of its divisors is an integer number (2013835746).

Almost surely, 2^4027671491 is an apocalyptic number.

4027671491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027671491 is an equidigital number, since it uses as much as digits as its factorization.

4027671491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 4027671491 is about 63463.9385084159. The cubic root of 4027671491 is about 1591.0531228431.

The spelling of 4027671491 in words is "four billion, twenty-seven million, six hundred seventy-one thousand, four hundred ninety-one".