72427325564453 has 2 divisors, whose sum is σ = 72427325564454. Its totient is φ = 72427325564452.

The previous prime is 72427325564423. The next prime is 72427325564501. The reversal of 72427325564453 is 35446552372427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37073753347684 + 35353572216769 = 6088822^2 + 5945887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72427325564453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72427325564392 and 72427325564401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72427325564423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36213662782226 + 36213662782227.

It is an arithmetic number, because the mean of its divisors is an integer number (36213662782227).

Almost surely, 2^{72427325564453} is an apocalyptic number.

It is an amenable number.

72427325564453 is a deficient number, since it is larger than the sum of its proper divisors (1).

72427325564453 is an equidigital number, since it uses as much as digits as its factorization.

72427325564453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344000, while the sum is 59.

The spelling of 72427325564453 in words is "seventy-two trillion, four hundred twenty-seven billion, three hundred twenty-five million, five hundred sixty-four thousand, four hundred fifty-three".