42212969055645 has 16 divisors (see below), whose sum is σ = 71095526831040. Its totient is φ = 21328658049024.

The previous prime is 42212969055637. The next prime is 42212969055659. The reversal of 42212969055645 is 54655096921224.

It is not a de Polignac number, because 42212969055645 - 2³ = 42212969055637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74057840164 + ... + 74057840733.

It is an arithmetic number, because the mean of its divisors is an integer number (4443470426940).

Almost surely, 2^{42212969055645} is an apocalyptic number.

It is an amenable number.

42212969055645 is a deficient number, since it is larger than the sum of its proper divisors (28882557775395).

42212969055645 is a wasteful number, since it uses less digits than its factorization.

42212969055645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148115680924.

The product of its (nonzero) digits is 46656000, while the sum is 60.

The spelling of 42212969055645 in words is "forty-two trillion, two hundred twelve billion, nine hundred sixty-nine million, fifty-five thousand, six hundred forty-five".