743945464393 has 2 divisors, whose sum is σ = 743945464394. Its totient is φ = 743945464392.

The previous prime is 743945464319. The next prime is 743945464421. The reversal of 743945464393 is 393464549347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670716774729 + 73228689664 = 818973^2 + 270608^2 .

It is a cyclic number.

It is not a de Polignac number, because 743945464393 - 2¹³ = 743945456201 is a prime.

It is not a weakly prime, because it can be changed into another prime (743985464393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371972732196 + 371972732197.

It is an arithmetic number, because the mean of its divisors is an integer number (371972732197).

Almost surely, 2^743945464393 is an apocalyptic number.

It is an amenable number.

743945464393 is a deficient number, since it is larger than the sum of its proper divisors (1).

743945464393 is an equidigital number, since it uses as much as digits as its factorization.

743945464393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 61.

The spelling of 743945464393 in words is "seven hundred forty-three billion, nine hundred forty-five million, four hundred sixty-four thousand, three hundred ninety-three".