36481881671 has 2 divisors, whose sum is σ = 36481881672. Its totient is φ = 36481881670.

The previous prime is 36481881577. The next prime is 36481881673. The reversal of 36481881671 is 17618818463.

It is a strong prime.

It is an emirp because it is prime and its reverse (17618818463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36481881671 is a prime.

Together with 36481881673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36481881673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18240940835 + 18240940836.

It is an arithmetic number, because the mean of its divisors is an integer number (18240940836).

Almost surely, 2^36481881671 is an apocalyptic number.

36481881671 is a deficient number, since it is larger than the sum of its proper divisors (1).

36481881671 is an equidigital number, since it uses as much as digits as its factorization.

36481881671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 53.

The spelling of 36481881671 in words is "thirty-six billion, four hundred eighty-one million, eight hundred eighty-one thousand, six hundred seventy-one".