81350341867962 has 48 divisors (see below), whose sum is σ = 180362154649248. Its totient is φ = 26485565652000.

The previous prime is 81350341867943. The next prime is 81350341867967. The reversal of 81350341867962 is 26976814305318.

81350341867962 is a `hidden beast` number, since 8 + 1 + 3 + 503 + 4 + 1 + 8 + 67 + 9 + 62 = 666.

It is a super-2 number, since 2×81350341867962² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 81350341867962.

It is not an unprimeable number, because it can be changed into a prime (81350341867967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34152337 + ... + 36456587.

It is an arithmetic number, because the mean of its divisors is an integer number (3757544888526).

It is a 2-persistent number, because it is pandigital, and so is 2⋅81350341867962 = 162700683735924, but 3⋅81350341867962 = 244051025603886 is not.

Almost surely, 2^{81350341867962} is an apocalyptic number.

81350341867962 is an abundant number, since it is smaller than the sum of its proper divisors (99011812781286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81350341867962 is a wasteful number, since it uses less digits than its factorization.

81350341867962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349915 (or 2349912 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 81350341867962 in words is "eighty-one trillion, three hundred fifty billion, three hundred forty-one million, eight hundred sixty-seven thousand, nine hundred sixty-two".