42947275133 has 8 divisors (see below), whose sum is σ = 49089298368. Its totient is φ = 36806926464.

The previous prime is 42947275123. The next prime is 42947275199. The reversal of 42947275133 is 33157274924.

It is a happy number.

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

It is not a de Polignac number, because 42947275133 - 2¹⁸ = 42947012989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42947275123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363191 + ... + 466692.

It is an arithmetic number, because the mean of its divisors is an integer number (6136162296).

Almost surely, 2^42947275133 is an apocalyptic number.

It is an amenable number.

42947275133 is a deficient number, since it is larger than the sum of its proper divisors (6142023235).

42947275133 is an equidigital number, since it uses as much as digits as its factorization.

42947275133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837283.

The product of its digits is 1270080, while the sum is 47.

The spelling of 42947275133 in words is "forty-two billion, nine hundred forty-seven million, two hundred seventy-five thousand, one hundred thirty-three".