42454551522443 has 2 divisors, whose sum is σ = 42454551522444. Its totient is φ = 42454551522442.

The previous prime is 42454551522437. The next prime is 42454551522457. The reversal of 42454551522443 is 34422515545424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42454551522443 - 2⁶ = 42454551522379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42454551522391 and 42454551522400.

It is not a weakly prime, because it can be changed into another prime (42454551522433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21227275761221 + 21227275761222.

It is an arithmetic number, because the mean of its divisors is an integer number (21227275761222).

Almost surely, 2^{42454551522443} is an apocalyptic number.

42454551522443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42454551522443 is an equidigital number, since it uses as much as digits as its factorization.

42454551522443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360000, while the sum is 50.

The spelling of 42454551522443 in words is "forty-two trillion, four hundred fifty-four billion, five hundred fifty-one million, five hundred twenty-two thousand, four hundred forty-three".