699659091040 has 1152 divisors, whose sum is σ = 2324212869888. Its totient is φ = 196199055360.

The previous prime is 699659091029. The next prime is 699659091077. The reversal of 699659091040 is 40190956996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3865519750 + ... + 3865519930.

It is an arithmetic number, because the mean of its divisors is an integer number (2017545894).

Almost surely, 2^699659091040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699659091040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162106434944).

699659091040 is an abundant number, since it is smaller than the sum of its proper divisors (1624553778848).

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

699659091040 is a wasteful number, since it uses less digits than its factorization.

699659091040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 58.

The spelling of 699659091040 in words is "six hundred ninety-nine billion, six hundred fifty-nine million, ninety-one thousand, forty".