72341843993 has 2 divisors, whose sum is σ = 72341843994. Its totient is φ = 72341843992.

The previous prime is 72341843983. The next prime is 72341844007. The reversal of 72341843993 is 39934814327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40117285849 + 32224558144 = 200293^2 + 179512^2 .

It is a cyclic number.

It is not a de Polignac number, because 72341843993 - 2⁶ = 72341843929 is a prime.

It is not a weakly prime, because it can be changed into another prime (72341843933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36170921996 + 36170921997.

It is an arithmetic number, because the mean of its divisors is an integer number (36170921997).

Almost surely, 2^72341843993 is an apocalyptic number.

It is an amenable number.

72341843993 is a deficient number, since it is larger than the sum of its proper divisors (1).

72341843993 is an equidigital number, since it uses as much as digits as its factorization.

72341843993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The spelling of 72341843993 in words is "seventy-two billion, three hundred forty-one million, eight hundred forty-three thousand, nine hundred ninety-three".