743934690493 has 2 divisors, whose sum is σ = 743934690494. Its totient is φ = 743934690492.

The previous prime is 743934690451. The next prime is 743934690523. The reversal of 743934690493 is 394096439347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667118133529 + 76816556964 = 816773^2 + 277158^2 .

It is a cyclic number.

It is not a de Polignac number, because 743934690493 - 2²⁵ = 743901136061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743934690413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371967345246 + 371967345247.

It is an arithmetic number, because the mean of its divisors is an integer number (371967345247).

Almost surely, 2^743934690493 is an apocalyptic number.

It is an amenable number.

743934690493 is a deficient number, since it is larger than the sum of its proper divisors (1).

743934690493 is an equidigital number, since it uses as much as digits as its factorization.

743934690493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 61.

The spelling of 743934690493 in words is "seven hundred forty-three billion, nine hundred thirty-four million, six hundred ninety thousand, four hundred ninety-three".