690099830784 has 1440 divisors, whose sum is σ = 2677561958400. Its totient is φ = 173903708160.

The previous prime is 690099830731. The next prime is 690099830801. The reversal of 690099830784 is 487038990096.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8735440857 + ... + 8735440935.

Almost surely, 2^690099830784 is an apocalyptic number.

690099830784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690099830784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338780979200).

690099830784 is an abundant number, since it is smaller than the sum of its proper divisors (1987462127616).

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

690099830784 is a wasteful number, since it uses less digits than its factorization.

690099830784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 690099830784 in words is "six hundred ninety billion, ninety-nine million, eight hundred thirty thousand, seven hundred eighty-four".