425446424644543 has 2 divisors, whose sum is σ = 425446424644544. Its totient is φ = 425446424644542.

The previous prime is 425446424644523. The next prime is 425446424644559. The reversal of 425446424644543 is 345446424644524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425446424644543 - 2¹³ = 425446424636351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425446424644523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212723212322271 + 212723212322272.

It is an arithmetic number, because the mean of its divisors is an integer number (212723212322272).

Almost surely, 2^{425446424644543} is an apocalyptic number.

425446424644543 is a deficient number, since it is larger than the sum of its proper divisors (1).

425446424644543 is an equidigital number, since it uses as much as digits as its factorization.

425446424644543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 707788800, while the sum is 61.

The spelling of 425446424644543 in words is "four hundred twenty-five trillion, four hundred forty-six billion, four hundred twenty-four million, six hundred forty-four thousand, five hundred forty-three".