42454551522379 has 2 divisors, whose sum is σ = 42454551522380. Its totient is φ = 42454551522378.

The previous prime is 42454551522353. The next prime is 42454551522391. The reversal of 42454551522379 is 97322515545424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42454551522379 - 2²³ = 42454543133771 is a prime.

It is not a weakly prime, because it can be changed into another prime (42454551522319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21227275761189 + 21227275761190.

It is an arithmetic number, because the mean of its divisors is an integer number (21227275761190).

Almost surely, 2^{42454551522379} is an apocalyptic number.

42454551522379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42454551522379 is an equidigital number, since it uses as much as digits as its factorization.

42454551522379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480000, while the sum is 58.

The spelling of 42454551522379 in words is "forty-two trillion, four hundred fifty-four billion, five hundred fifty-one million, five hundred twenty-two thousand, three hundred seventy-nine".