73244347453 has 2 divisors, whose sum is σ = 73244347454. Its totient is φ = 73244347452.

The previous prime is 73244347439. The next prime is 73244347489. The reversal of 73244347453 is 35474344237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66668272804 + 6576074649 = 258202^2 + 81093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73244347453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73244342453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36622173726 + 36622173727.

It is an arithmetic number, because the mean of its divisors is an integer number (36622173727).

Almost surely, 2^73244347453 is an apocalyptic number.

It is an amenable number.

73244347453 is a deficient number, since it is larger than the sum of its proper divisors (1).

73244347453 is an equidigital number, since it uses as much as digits as its factorization.

73244347453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 46.

The spelling of 73244347453 in words is "seventy-three billion, two hundred forty-four million, three hundred forty-seven thousand, four hundred fifty-three".