743212913 has 2 divisors, whose sum is σ = 743212914. Its totient is φ = 743212912.

The previous prime is 743212901. The next prime is 743212937. The reversal of 743212913 is 319212347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710115904 + 33097009 = 26648^2 + 5753^2 .

It is a cyclic number.

It is not a de Polignac number, because 743212913 - 2⁶ = 743212849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 743212913.

It is not a weakly prime, because it can be changed into another prime (743217913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371606456 + 371606457.

It is an arithmetic number, because the mean of its divisors is an integer number (371606457).

Almost surely, 2^743212913 is an apocalyptic number.

It is an amenable number.

743212913 is a deficient number, since it is larger than the sum of its proper divisors (1).

743212913 is an equidigital number, since it uses as much as digits as its factorization.

743212913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 743212913 is about 27261.9315713322. The cubic root of 743212913 is about 905.8113306663.

The spelling of 743212913 in words is "seven hundred forty-three million, two hundred twelve thousand, nine hundred thirteen".