6542253673 has 2 divisors, whose sum is σ = 6542253674. Its totient is φ = 6542253672.

The previous prime is 6542253661. The next prime is 6542253691. The reversal of 6542253673 is 3763522456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3314650329 + 3227603344 = 57573^2 + 56812^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542253673 - 2¹³ = 6542245481 is a prime.

It is not a weakly prime, because it can be changed into another prime (6542253073) 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 as a sum of consecutive naturals, namely, 3271126836 + 3271126837.

It is an arithmetic number, because the mean of its divisors is an integer number (3271126837).

Almost surely, 2^6542253673 is an apocalyptic number.

It is an amenable number.

6542253673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542253673 is an equidigital number, since it uses as much as digits as its factorization.

6542253673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 43.

The square root of 6542253673 is about 80884.1991553356. The cubic root of 6542253673 is about 1870.2907526402.

The spelling of 6542253673 in words is "six billion, five hundred forty-two million, two hundred fifty-three thousand, six hundred seventy-three".