2041897687 has 2 divisors, whose sum is σ = 2041897688. Its totient is φ = 2041897686.

The previous prime is 2041897679. The next prime is 2041897717. The reversal of 2041897687 is 7867981402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2041897687 - 2³ = 2041897679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2041897607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020948843 + 1020948844.

It is an arithmetic number, because the mean of its divisors is an integer number (1020948844).

Almost surely, 2^2041897687 is an apocalyptic number.

2041897687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041897687 is an equidigital number, since it uses as much as digits as its factorization.

2041897687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 2041897687 is about 45187.3620274519. The cubic root of 2041897687 is about 1268.6582823133.

The spelling of 2041897687 in words is "two billion, forty-one million, eight hundred ninety-seven thousand, six hundred eighty-seven".