681214872890 has 32 divisors (see below), whose sum is σ = 1238547024000. Its totient is φ = 269741173824.

The previous prime is 681214872883. The next prime is 681214872907. The reversal of 681214872890 is 98278412186.

681214872890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2711177 + ... + 2951763.

It is an arithmetic number, because the mean of its divisors is an integer number (38704594500).

Almost surely, 2^681214872890 is an apocalyptic number.

681214872890 is a deficient number, since it is larger than the sum of its proper divisors (557332151110).

681214872890 is a wasteful number, since it uses less digits than its factorization.

681214872890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243446.

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 681214872890 in words is "six hundred eighty-one billion, two hundred fourteen million, eight hundred seventy-two thousand, eight hundred ninety".