42263406645 has 16 divisors (see below), whose sum is σ = 67624018560. Its totient is φ = 22539627584.

The previous prime is 42263406617. The next prime is 42263406659. The reversal of 42263406645 is 54660436224.

It is a cyclic number.

It is not a de Polignac number, because 42263406645 - 2⁵ = 42263406613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42263406597 and 42263406606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672352 + ... + 732518.

It is an arithmetic number, because the mean of its divisors is an integer number (4226501160).

Almost surely, 2^42263406645 is an apocalyptic number.

It is an amenable number.

42263406645 is a deficient number, since it is larger than the sum of its proper divisors (25360611915).

42263406645 is a wasteful number, since it uses less digits than its factorization.

42263406645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107004.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 42263406645 in words is "forty-two billion, two hundred sixty-three million, four hundred six thousand, six hundred forty-five".