744945166253 has 2 divisors, whose sum is σ = 744945166254. Its totient is φ = 744945166252.

The previous prime is 744945166241. The next prime is 744945166267. The reversal of 744945166253 is 352661549447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681479968324 + 63465197929 = 825518^2 + 251923^2 .

It is a cyclic number.

It is not a de Polignac number, because 744945166253 - 2¹⁴ = 744945149869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744945163253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372472583126 + 372472583127.

It is an arithmetic number, because the mean of its divisors is an integer number (372472583127).

Almost surely, 2^744945166253 is an apocalyptic number.

It is an amenable number.

744945166253 is a deficient number, since it is larger than the sum of its proper divisors (1).

744945166253 is an equidigital number, since it uses as much as digits as its factorization.

744945166253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 56.

The spelling of 744945166253 in words is "seven hundred forty-four billion, nine hundred forty-five million, one hundred sixty-six thousand, two hundred fifty-three".