42163940151 has 24 divisors (see below), whose sum is σ = 63738634960. Its totient is φ = 27851392512.

The previous prime is 42163940149. The next prime is 42163940179. The reversal of 42163940151 is 15104936124.

It is a happy number.

42163940151 is a `hidden beast` number, since 4 + 2 + 1 + 639 + 4 + 0 + 15 + 1 = 666.

It is not a de Polignac number, because 42163940151 - 2¹ = 42163940149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42163540151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769450 + ... + 822423.

Almost surely, 2^42163940151 is an apocalyptic number.

42163940151 is a deficient number, since it is larger than the sum of its proper divisors (21574694809).

42163940151 is a wasteful number, since it uses less digits than its factorization.

42163940151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591997 (or 1591985 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 42163940151 in words is "forty-two billion, one hundred sixty-three million, nine hundred forty thousand, one hundred fifty-one".