3612481487971 has 2 divisors, whose sum is σ = 3612481487972. Its totient is φ = 3612481487970.

The previous prime is 3612481487917. The next prime is 3612481488019. The reversal of 3612481487971 is 1797841842163.

It is a happy number.

Together with previous prime (3612481487917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1797841842163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3612481487971 - 2¹³ = 3612481479779 is a prime.

It is not a weakly prime, because it can be changed into another prime (3612481487071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806240743985 + 1806240743986.

It is an arithmetic number, because the mean of its divisors is an integer number (1806240743986).

Almost surely, 2^{3612481487971} is an apocalyptic number.

3612481487971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3612481487971 is an equidigital number, since it uses as much as digits as its factorization.

3612481487971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 61.

The spelling of 3612481487971 in words is "three trillion, six hundred twelve billion, four hundred eighty-one million, four hundred eighty-seven thousand, nine hundred seventy-one".