81832642962 has 32 divisors (see below), whose sum is σ = 190863312000. Its totient is φ = 23380754544.

The previous prime is 81832642939. The next prime is 81832642973. The reversal of 81832642962 is 26924623818.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19879537 + ... + 19883652.

It is an arithmetic number, because the mean of its divisors is an integer number (5964478500).

Almost surely, 2^81832642962 is an apocalyptic number.

81832642962 is an abundant number, since it is smaller than the sum of its proper divisors (109030669038).

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

81832642962 is a wasteful number, since it uses less digits than its factorization.

81832642962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39763215 (or 39763201 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The spelling of 81832642962 in words is "eighty-one billion, eight hundred thirty-two million, six hundred forty-two thousand, nine hundred sixty-two".