42775636321 has 8 divisors (see below), whose sum is σ = 47321575488. Its totient is φ = 38339238000.

The previous prime is 42775636307. The next prime is 42775636357. The reversal of 42775636321 is 12363657724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42775636321 - 2¹⁷ = 42775505249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42775636361) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27384390 + ... + 27385951.

It is an arithmetic number, because the mean of its divisors is an integer number (5915196936).

Almost surely, 2^42775636321 is an apocalyptic number.

It is an amenable number.

42775636321 is a deficient number, since it is larger than the sum of its proper divisors (4545939167).

42775636321 is a wasteful number, since it uses less digits than its factorization.

42775636321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54770423.

The product of its digits is 1270080, while the sum is 46.

The spelling of 42775636321 in words is "forty-two billion, seven hundred seventy-five million, six hundred thirty-six thousand, three hundred twenty-one".