6849511637 has 2 divisors, whose sum is σ = 6849511638. Its totient is φ = 6849511636.

The previous prime is 6849511631. The next prime is 6849511649. The reversal of 6849511637 is 7361159486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4570976881 + 2278534756 = 67609^2 + 47734^2 .

It is a cyclic number.

It is not a de Polignac number, because 6849511637 - 2¹⁴ = 6849495253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6849511631) 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, 3424755818 + 3424755819.

It is an arithmetic number, because the mean of its divisors is an integer number (3424755819).

Almost surely, 2^6849511637 is an apocalyptic number.

It is an amenable number.

6849511637 is a deficient number, since it is larger than the sum of its proper divisors (1).

6849511637 is an equidigital number, since it uses as much as digits as its factorization.

6849511637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 6849511637 is about 82761.7764248690. The cubic root of 6849511637 is about 1899.1234772307.

The spelling of 6849511637 in words is "six billion, eight hundred forty-nine million, five hundred eleven thousand, six hundred thirty-seven".