681034830090 has 32 divisors (see below), whose sum is σ = 1634550174720. Its totient is φ = 181601889984.

The previous prime is 681034829947. The next prime is 681034830101. The reversal of 681034830090 is 90038430186.

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, 307351 + ... + 1206869.

It is an arithmetic number, because the mean of its divisors is an integer number (51079692960).

Almost surely, 2^681034830090 is an apocalyptic number.

681034830090 is an abundant number, since it is smaller than the sum of its proper divisors (953515344630).

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

681034830090 is a wasteful number, since it uses less digits than its factorization.

681034830090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924766.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 681034830090 in words is "six hundred eighty-one billion, thirty-four million, eight hundred thirty thousand, ninety".