3481013187791 has 2 divisors, whose sum is σ = 3481013187792. Its totient is φ = 3481013187790.

The previous prime is 3481013187731. The next prime is 3481013187793. The reversal of 3481013187791 is 1977813101843.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3481013187791 is a prime.

It is a Sophie Germain prime.

Together with 3481013187793, 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 (3481013187793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740506593895 + 1740506593896.

It is an arithmetic number, because the mean of its divisors is an integer number (1740506593896).

Almost surely, 2^{3481013187791} is an apocalyptic number.

3481013187791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481013187791 is an equidigital number, since it uses as much as digits as its factorization.

3481013187791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 3481013187791 in words is "three trillion, four hundred eighty-one billion, thirteen million, one hundred eighty-seven thousand, seven hundred ninety-one".