690480283648 has 136 divisors (see below), whose sum is σ = 1420879894056. Its totient is φ = 335334604800.

The previous prime is 690480283639. The next prime is 690480283663. The reversal of 690480283648 is 846382084096.

It can be written as a sum of positive squares in 4 ways, for example, as 85619441664 + 604860841984 = 292608^2 + 777728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 690480283592 and 690480283601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841023078 + ... + 841023898.

Almost surely, 2^690480283648 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 690480283648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710439947028).

690480283648 is an abundant number, since it is smaller than the sum of its proper divisors (730399610408).

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

690480283648 is an frugal number, since it uses more digits than its factorization.

690480283648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 690480283648 in words is "six hundred ninety billion, four hundred eighty million, two hundred eighty-three thousand, six hundred forty-eight".