681474014148 has 24 divisors (see below), whose sum is σ = 1590123068352. Its totient is φ = 227155571104.

The previous prime is 681474014131. The next prime is 681474014159. The reversal of 681474014148 is 841410474186.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 681474014097 and 681474014106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134886 + ... + 1628162.

It is an arithmetic number, because the mean of its divisors is an integer number (66255127848).

Almost surely, 2^681474014148 is an apocalyptic number.

It is an amenable number.

681474014148 is an abundant number, since it is smaller than the sum of its proper divisors (908649054204).

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

681474014148 is a wasteful number, since it uses less digits than its factorization.

681474014148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608411 (or 608409 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 681474014148 in words is "six hundred eighty-one billion, four hundred seventy-four million, fourteen thousand, one hundred forty-eight".