44249135393 has 2 divisors, whose sum is σ = 44249135394. Its totient is φ = 44249135392.

The previous prime is 44249135311. The next prime is 44249135401. The reversal of 44249135393 is 39353194244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44012683264 + 236452129 = 209792^2 + 15377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44249135393 is a prime.

It is not a weakly prime, because it can be changed into another prime (44249134393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22124567696 + 22124567697.

It is an arithmetic number, because the mean of its divisors is an integer number (22124567697).

Almost surely, 2^44249135393 is an apocalyptic number.

It is an amenable number.

44249135393 is a deficient number, since it is larger than the sum of its proper divisors (1).

44249135393 is an equidigital number, since it uses as much as digits as its factorization.

44249135393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 47.

The spelling of 44249135393 in words is "forty-four billion, two hundred forty-nine million, one hundred thirty-five thousand, three hundred ninety-three".