42027372191 has 8 divisors (see below), whose sum is σ = 48134136960. Its totient is φ = 35946321048.

The previous prime is 42027372143. The next prime is 42027372197. The reversal of 42027372191 is 19127372024.

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 42027372191 - 2¹⁰ = 42027371167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42027372197) 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 7 ways as a sum of consecutive naturals, for example, 6424901 + ... + 6431438.

It is an arithmetic number, because the mean of its divisors is an integer number (6016767120).

Almost surely, 2^42027372191 is an apocalyptic number.

42027372191 is a deficient number, since it is larger than the sum of its proper divisors (6106764769).

42027372191 is a wasteful number, since it uses less digits than its factorization.

42027372191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856813.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 42027372191 in words is "forty-two billion, twenty-seven million, three hundred seventy-two thousand, one hundred ninety-one".