6555957856237 has 2 divisors, whose sum is σ = 6555957856238. Its totient is φ = 6555957856236.

The previous prime is 6555957856117. The next prime is 6555957856337. The reversal of 6555957856237 is 7326587595556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3663954909316 + 2892002946921 = 1914146^2 + 1700589^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555957856237 - 2²⁷ = 6555823638509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6555957856237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555957856337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277978928118 + 3277978928119.

It is an arithmetic number, because the mean of its divisors is an integer number (3277978928119).

Almost surely, 2^{6555957856237} is an apocalyptic number.

It is an amenable number.

6555957856237 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555957856237 is an equidigital number, since it uses as much as digits as its factorization.

6555957856237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400000, while the sum is 73.

The spelling of 6555957856237 in words is "six trillion, five hundred fifty-five billion, nine hundred fifty-seven million, eight hundred fifty-six thousand, two hundred thirty-seven".