684129659190 has 16 divisors (see below), whose sum is σ = 1641911182128. Its totient is φ = 182434575776.

The previous prime is 684129659141. The next prime is 684129659201. The reversal of 684129659190 is 91956921486.

684129659190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×684129659190³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 11402160957 + ... + 11402161016.

It is an arithmetic number, because the mean of its divisors is an integer number (102619448883).

Almost surely, 2^684129659190 is an apocalyptic number.

684129659190 is an abundant number, since it is smaller than the sum of its proper divisors (957781522938).

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

684129659190 is a wasteful number, since it uses less digits than its factorization.

684129659190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804321983.

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 684129659190 in words is "six hundred eighty-four billion, one hundred twenty-nine million, six hundred fifty-nine thousand, one hundred ninety".