681210469776 has 40 divisors (see below), whose sum is σ = 1836306486720. Its totient is φ = 217197540736.

The previous prime is 681210469759. The next prime is 681210469889. The reversal of 681210469776 is 677964012186.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308518131 + ... + 308520338.

It is an arithmetic number, because the mean of its divisors is an integer number (45907662168).

Almost surely, 2^681210469776 is an apocalyptic number.

It is an amenable number.

681210469776 is an abundant number, since it is smaller than the sum of its proper divisors (1155096016944).

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

681210469776 is a wasteful number, since it uses less digits than its factorization.

681210469776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617038503 (or 617038497 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 681210469776 in words is "six hundred eighty-one billion, two hundred ten million, four hundred sixty-nine thousand, seven hundred seventy-six".