743293380121 has 2 divisors, whose sum is σ = 743293380122. Its totient is φ = 743293380120.

The previous prime is 743293380083. The next prime is 743293380127. The reversal of 743293380121 is 121083392347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718190146521 + 25103233600 = 847461^2 + 158440^2 .

It is a cyclic number.

It is not a de Polignac number, because 743293380121 - 2⁷ = 743293379993 is a prime.

It is not a weakly prime, because it can be changed into another prime (743293380127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371646690060 + 371646690061.

It is an arithmetic number, because the mean of its divisors is an integer number (371646690061).

Almost surely, 2^743293380121 is an apocalyptic number.

It is an amenable number.

743293380121 is a deficient number, since it is larger than the sum of its proper divisors (1).

743293380121 is an equidigital number, since it uses as much as digits as its factorization.

743293380121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 743293380121 in words is "seven hundred forty-three billion, two hundred ninety-three million, three hundred eighty thousand, one hundred twenty-one".