42156396195 has 8 divisors (see below), whose sum is σ = 67450233936. Its totient is φ = 22483411296.

The previous prime is 42156396137. The next prime is 42156396199. The reversal of 42156396195 is 59169365124.

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

It is not a de Polignac number, because 42156396195 - 2⁷ = 42156396067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42156396199) 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, 1405213192 + ... + 1405213221.

It is an arithmetic number, because the mean of its divisors is an integer number (8431279242).

Almost surely, 2^42156396195 is an apocalyptic number.

42156396195 is a deficient number, since it is larger than the sum of its proper divisors (25293837741).

42156396195 is a wasteful number, since it uses less digits than its factorization.

42156396195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810426421.

The product of its digits is 1749600, while the sum is 51.

The spelling of 42156396195 in words is "forty-two billion, one hundred fifty-six million, three hundred ninety-six thousand, one hundred ninety-five".