690421070336 has 60 divisors (see below), whose sum is σ = 1417011995718. Its totient is φ = 335824883712.

The previous prime is 690421070293. The next prime is 690421070357. The reversal of 690421070336 is 633070124096.

It can be written as a sum of positive squares in 3 ways, for example, as 536644153600 + 153776916736 = 732560^2 + 392144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 690421070293 and 690421070302.

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 5 ways as a sum of consecutive naturals, for example, 114361910 + ... + 114367946.

Almost surely, 2^690421070336 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 690421070336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708505997859).

690421070336 is an abundant number, since it is smaller than the sum of its proper divisors (726590925382).

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

690421070336 is an frugal number, since it uses more digits than its factorization.

690421070336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129 (or 6076 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 690421070336 in words is "six hundred ninety billion, four hundred twenty-one million, seventy thousand, three hundred thirty-six".