42165034064 has 10 divisors (see below), whose sum is σ = 81694753530. Its totient is φ = 21082517024.

The previous prime is 42165034033. The next prime is 42165034103. The reversal of 42165034064 is 46043056124.

It can be written as a sum of positive squares in only one way, i.e., 40163366464 + 2001667600 = 200408^2 + 44740^2 .

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 as a sum of consecutive naturals, namely, 1317657299 + ... + 1317657330.

It is an arithmetic number, because the mean of its divisors is an integer number (8169475353).

Almost surely, 2^42165034064 is an apocalyptic number.

It is an amenable number.

42165034064 is a deficient number, since it is larger than the sum of its proper divisors (39529719466).

42165034064 is a wasteful number, since it uses less digits than its factorization.

42165034064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635314637 (or 2635314631 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 42165034064 in words is "forty-two billion, one hundred sixty-five million, thirty-four thousand, sixty-four".