683538629621 has 8 divisors (see below), whose sum is σ = 683951199744. Its totient is φ = 683126181360.

The previous prime is 683538629561. The next prime is 683538629647. The reversal of 683538629621 is 126926835386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 683538629621 - 2¹⁴ = 683538613237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683538620621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12760931 + ... + 12814383.

It is an arithmetic number, because the mean of its divisors is an integer number (85493899968).

Almost surely, 2^683538629621 is an apocalyptic number.

It is an amenable number.

683538629621 is a deficient number, since it is larger than the sum of its proper divisors (412570123).

683538629621 is a wasteful number, since it uses less digits than its factorization.

683538629621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60931.

The product of its digits is 22394880, while the sum is 59.

The spelling of 683538629621 in words is "six hundred eighty-three billion, five hundred thirty-eight million, six hundred twenty-nine thousand, six hundred twenty-one".