743242442120201 has 2 divisors, whose sum is σ = 743242442120202. Its totient is φ = 743242442120200.

The previous prime is 743242442120029. The next prime is 743242442120239. The reversal of 743242442120201 is 102021244242347.

It is an a-pointer prime, because the next prime (743242442120239) can be obtained adding 743242442120201 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 722901304806976 + 20341137313225 = 26886824^2 + 4510115^2 .

It is an emirp because it is prime and its reverse (102021244242347) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743242442120201 is a prime.

It is a super-2 number, since 2×743242442120201² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743242442123201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371621221060100 + 371621221060101.

It is an arithmetic number, because the mean of its divisors is an integer number (371621221060101).

Almost surely, 2^{743242442120201} is an apocalyptic number.

It is an amenable number.

743242442120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

743242442120201 is an equidigital number, since it uses as much as digits as its factorization.

743242442120201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 38.

Adding to 743242442120201 its reverse (102021244242347), we get a palindrome (845263686362548).

The spelling of 743242442120201 in words is "seven hundred forty-three trillion, two hundred forty-two billion, four hundred forty-two million, one hundred twenty thousand, two hundred one".