2615326144243 has 2 divisors, whose sum is σ = 2615326144244. Its totient is φ = 2615326144242.

The previous prime is 2615326144237. The next prime is 2615326144267. The reversal of 2615326144243 is 3424416235162.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2615326144243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2615326144243.

It is not a weakly prime, because it can be changed into another prime (2615326144213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307663072121 + 1307663072122.

It is an arithmetic number, because the mean of its divisors is an integer number (1307663072122).

Almost surely, 2^{2615326144243} is an apocalyptic number.

2615326144243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2615326144243 is an equidigital number, since it uses as much as digits as its factorization.

2615326144243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 43.

The spelling of 2615326144243 in words is "two trillion, six hundred fifteen billion, three hundred twenty-six million, one hundred forty-four thousand, two hundred forty-three".