67077242593 has 2 divisors, whose sum is σ = 67077242594. Its totient is φ = 67077242592.

The previous prime is 67077242579. The next prime is 67077242653. The reversal of 67077242593 is 39524277076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50351769664 + 16725472929 = 224392^2 + 129327^2 .

It is a cyclic number.

It is not a de Polignac number, because 67077242593 - 2²⁵ = 67043688161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67077242593.

It is not a weakly prime, because it can be changed into another prime (67077242503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33538621296 + 33538621297.

It is an arithmetic number, because the mean of its divisors is an integer number (33538621297).

Almost surely, 2^67077242593 is an apocalyptic number.

It is an amenable number.

67077242593 is a deficient number, since it is larger than the sum of its proper divisors (1).

67077242593 is an equidigital number, since it uses as much as digits as its factorization.

67077242593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 67077242593 in words is "sixty-seven billion, seventy-seven million, two hundred forty-two thousand, five hundred ninety-three".