683361566461 has 4 divisors (see below), whose sum is σ = 780984647392. Its totient is φ = 585738485532.

The previous prime is 683361566453. The next prime is 683361566501. The reversal of 683361566461 is 164665163386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 683361566461 - 2³ = 683361566453 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 (683361566431) 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, 48811540455 + ... + 48811540468.

It is an arithmetic number, because the mean of its divisors is an integer number (195246161848).

Almost surely, 2^683361566461 is an apocalyptic number.

It is an amenable number.

683361566461 is a deficient number, since it is larger than the sum of its proper divisors (97623080931).

683361566461 is an equidigital number, since it uses as much as digits as its factorization.

683361566461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97623080930.

The product of its digits is 11197440, while the sum is 55.

The spelling of 683361566461 in words is "six hundred eighty-three billion, three hundred sixty-one million, five hundred sixty-six thousand, four hundred sixty-one".