81301343717674 has 16 divisors (see below), whose sum is σ = 122229809310528. Its totient is φ = 40558077712672.

The previous prime is 81301343717653. The next prime is 81301343717687. The reversal of 81301343717674 is 47671734310318.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43461054 + ... + 45293110.

It is an arithmetic number, because the mean of its divisors is an integer number (7639363081908).

Almost surely, 2^{81301343717674} is an apocalyptic number.

81301343717674 is a deficient number, since it is larger than the sum of its proper divisors (40928465592854).

81301343717674 is a wasteful number, since it uses less digits than its factorization.

81301343717674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882589.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 81301343717674 in words is "eighty-one trillion, three hundred one billion, three hundred forty-three million, seven hundred seventeen thousand, six hundred seventy-four".