6625134682861 has 4 divisors (see below), whose sum is σ = 6654320298432. Its totient is φ = 6595949067292.

The previous prime is 6625134682801. The next prime is 6625134682877. The reversal of 6625134682861 is 1682864315266.

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 a de Polignac number, because none of the positive numbers 2^k-6625134682861 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6625134682796 and 6625134682805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625134682801) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14592807445 + ... + 14592807898.

It is an arithmetic number, because the mean of its divisors is an integer number (1663580074608).

Almost surely, 2^{6625134682861} is an apocalyptic number.

It is an amenable number.

6625134682861 is a deficient number, since it is larger than the sum of its proper divisors (29185615571).

6625134682861 is a wasteful number, since it uses less digits than its factorization.

6625134682861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29185615570.

The product of its digits is 19906560, while the sum is 58.

The spelling of 6625134682861 in words is "six trillion, six hundred twenty-five billion, one hundred thirty-four million, six hundred eighty-two thousand, eight hundred sixty-one".