81050343045674 has 16 divisors (see below), whose sum is σ = 123394099579008. Its totient is φ = 39919015981152.

The previous prime is 81050343045673. The next prime is 81050343045731. The reversal of 81050343045674 is 47654034305018.

It is a super-2 number, since 2×81050343045674² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (81050343045673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735867 + ... + 13964270.

It is an arithmetic number, because the mean of its divisors is an integer number (7712131223688).

Almost surely, 2^{81050343045674} is an apocalyptic number.

81050343045674 is a deficient number, since it is larger than the sum of its proper divisors (42343756533334).

81050343045674 is a wasteful number, since it uses less digits than its factorization.

81050343045674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730909.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 81050343045674 in words is "eighty-one trillion, fifty billion, three hundred forty-three million, forty-five thousand, six hundred seventy-four".