42454442351 has 2 divisors, whose sum is σ = 42454442352. Its totient is φ = 42454442350.

The previous prime is 42454442341. The next prime is 42454442369. The reversal of 42454442351 is 15324445424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42454442351 - 2¹⁸ = 42454180207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42454442341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21227221175 + 21227221176.

It is an arithmetic number, because the mean of its divisors is an integer number (21227221176).

Almost surely, 2^42454442351 is an apocalyptic number.

42454442351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42454442351 is an equidigital number, since it uses as much as digits as its factorization.

42454442351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 307200, while the sum is 38.

Adding to 42454442351 its reverse (15324445424), we get a palindrome (57778887775).

The spelling of 42454442351 in words is "forty-two billion, four hundred fifty-four million, four hundred forty-two thousand, three hundred fifty-one".