690781603512 has 192 divisors, whose sum is σ = 2336274339840. Its totient is φ = 165621899520.

The previous prime is 690781603471. The next prime is 690781603571. The reversal of 690781603512 is 215306187096.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1042728 + ... + 1571255.

It is an arithmetic number, because the mean of its divisors is an integer number (12168095520).

Almost surely, 2^690781603512 is an apocalyptic number.

It is an amenable number.

690781603512 is an abundant number, since it is smaller than the sum of its proper divisors (1645492736328).

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

690781603512 is a wasteful number, since it uses less digits than its factorization.

690781603512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614034 (or 2614019 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 690781603512 in words is "six hundred ninety billion, seven hundred eighty-one million, six hundred three thousand, five hundred twelve".