6874597657 has 2 divisors, whose sum is σ = 6874597658. Its totient is φ = 6874597656.

The previous prime is 6874597637. The next prime is 6874597729. The reversal of 6874597657 is 7567954786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4830111001 + 2044486656 = 69499^2 + 45216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6874597657 is a prime.

It is not a weakly prime, because it can be changed into another prime (6874597607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437298828 + 3437298829.

It is an arithmetic number, because the mean of its divisors is an integer number (3437298829).

Almost surely, 2^6874597657 is an apocalyptic number.

It is an amenable number.

6874597657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874597657 is an equidigital number, since it uses as much as digits as its factorization.

6874597657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88905600, while the sum is 64.

The square root of 6874597657 is about 82913.1935038085. The cubic root of 6874597657 is about 1901.4391365346.

The spelling of 6874597657 in words is "six billion, eight hundred seventy-four million, five hundred ninety-seven thousand, six hundred fifty-seven".