425434441454573 has 2 divisors, whose sum is σ = 425434441454574. Its totient is φ = 425434441454572.

The previous prime is 425434441454563. The next prime is 425434441454641. The reversal of 425434441454573 is 375454144434524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296773560131689 + 128660881322884 = 17227117^2 + 11342878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425434441454573 is a prime.

It is a super-2 number, since 2×425434441454573² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425434441454563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212717220727286 + 212717220727287.

It is an arithmetic number, because the mean of its divisors is an integer number (212717220727287).

Almost surely, 2^{425434441454573} is an apocalyptic number.

It is an amenable number.

425434441454573 is a deficient number, since it is larger than the sum of its proper divisors (1).

425434441454573 is an equidigital number, since it uses as much as digits as its factorization.

425434441454573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048000, while the sum is 59.

The spelling of 425434441454573 in words is "four hundred twenty-five trillion, four hundred thirty-four billion, four hundred forty-one million, four hundred fifty-four thousand, five hundred seventy-three".