690047759616 has 144 divisors (see below), whose sum is σ = 1845635850240. Its totient is φ = 228878161920.

The previous prime is 690047759581. The next prime is 690047759623. The reversal of 690047759616 is 616957740096.

It is a self number, because there is not a number n which added to its sum of digits gives 690047759616.

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 15 ways as a sum of consecutive naturals, for example, 221238505 + ... + 221241623.

Almost surely, 2^690047759616 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 690047759616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922817925120).

690047759616 is an abundant number, since it is smaller than the sum of its proper divisors (1155588090624).

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

690047759616 is a wasteful number, since it uses less digits than its factorization.

690047759616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 690047759616 in words is "six hundred ninety billion, forty-seven million, seven hundred fifty-nine thousand, six hundred sixteen".