42168296043639 has 64 divisors (see below), whose sum is σ = 67400077726080. Its totient is φ = 25959231682560.

The previous prime is 42168296043619. The next prime is 42168296043683. The reversal of 42168296043639 is 93634069286124.

42168296043639 is a `hidden beast` number, since 4 + 2 + 1 + 6 + 82 + 96 + 0 + 436 + 39 = 666.

42168296043639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42168296043639 - 2¹³ = 42168296035447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42168296043619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9218797 + ... + 13012409.

It is an arithmetic number, because the mean of its divisors is an integer number (1053126214470).

Almost surely, 2^{42168296043639} is an apocalyptic number.

42168296043639 is a deficient number, since it is larger than the sum of its proper divisors (25231781682441).

42168296043639 is a wasteful number, since it uses less digits than its factorization.

42168296043639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794097 (or 3794091 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 42168296043639 in words is "forty-two trillion, one hundred sixty-eight billion, two hundred ninety-six million, forty-three thousand, six hundred thirty-nine".