1253278075339 has 2 divisors, whose sum is σ = 1253278075340. Its totient is φ = 1253278075338.

The previous prime is 1253278075337. The next prime is 1253278075421. The reversal of 1253278075339 is 9335708723521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253278075339 - 2¹ = 1253278075337 is a prime.

Together with 1253278075337, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1253278075339.

It is not a weakly prime, because it can be changed into another prime (1253278075333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626639037669 + 626639037670.

It is an arithmetic number, because the mean of its divisors is an integer number (626639037670).

Almost surely, 2^{1253278075339} is an apocalyptic number.

1253278075339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253278075339 is an equidigital number, since it uses as much as digits as its factorization.

1253278075339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 1253278075339 in words is "one trillion, two hundred fifty-three billion, two hundred seventy-eight million, seventy-five thousand, three hundred thirty-nine".