1253194739933 has 2 divisors, whose sum is σ = 1253194739934. Its totient is φ = 1253194739932.

The previous prime is 1253194739827. The next prime is 1253194740001. The reversal of 1253194739933 is 3399374913521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209179539129 + 44015200804 = 1099627^2 + 209798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253194739933 - 2¹⁴ = 1253194723549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253194759933) 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, 626597369966 + 626597369967.

It is an arithmetic number, because the mean of its divisors is an integer number (626597369967).

Almost surely, 2^{1253194739933} is an apocalyptic number.

It is an amenable number.

1253194739933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253194739933 is an equidigital number, since it uses as much as digits as its factorization.

1253194739933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16533720, while the sum is 59.

The spelling of 1253194739933 in words is "one trillion, two hundred fifty-three billion, one hundred ninety-four million, seven hundred thirty-nine thousand, nine hundred thirty-three".