683517700420 has 12 divisors (see below), whose sum is σ = 1435387170924. Its totient is φ = 273407080160.

The previous prime is 683517700417. The next prime is 683517700421. The reversal of 683517700420 is 24007715386.

It can be written as a sum of positive squares in 2 ways, for example, as 241151709184 + 442365991236 = 491072^2 + 665106^2 .

It is not an unprimeable number, because it can be changed into a prime (683517700421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17087942491 + ... + 17087942530.

It is an arithmetic number, because the mean of its divisors is an integer number (119615597577).

Almost surely, 2^683517700420 is an apocalyptic number.

It is an amenable number.

683517700420 is an abundant number, since it is smaller than the sum of its proper divisors (751869470504).

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

683517700420 is a wasteful number, since it uses less digits than its factorization.

683517700420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34175885030 (or 34175885028 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 683517700420 in words is "six hundred eighty-three billion, five hundred seventeen million, seven hundred thousand, four hundred twenty".