699428674650 has 96 divisors (see below), whose sum is σ = 1760955238080.
Its totient is φ = 183680133120.
The previous prime is 699428674649. The next prime is 699428674699. The reversal of 699428674650 is 56476824996.
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 47 ways as a sum of consecutive naturals, for example, 49328362 + ... + 49342538.
It is an arithmetic number, because the mean of its divisors is an integer number (18343283730).
Almost surely, 2699428674650 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 699428674650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880477619040).
699428674650 is an abundant number, since it is smaller than the sum of its proper divisors (1061526563430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
699428674650 is a wasteful number, since it uses less digits than its factorization.
699428674650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19168 (or 19163 counting only the distinct ones).
The product of its (nonzero) digits is 156764160, while the sum is 66.
The spelling of 699428674650 in words is "six hundred ninety-nine billion, four hundred twenty-eight million, six hundred seventy-four thousand, six hundred fifty".