42133312291 has 8 divisors (see below), whose sum is σ = 49176875520. Its totient is φ = 35345878728.

The previous prime is 42133312279. The next prime is 42133312301. The reversal of 42133312291 is 19221333124.

It is a happy number.

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 42133312291 - 2⁵ = 42133312259 is a prime.

It is a super-2 number, since 2×42133312291² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133312391) 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, 64032061 + ... + 64032718.

It is an arithmetic number, because the mean of its divisors is an integer number (6147109440).

Almost surely, 2^42133312291 is an apocalyptic number.

42133312291 is a deficient number, since it is larger than the sum of its proper divisors (7043563229).

42133312291 is a wasteful number, since it uses less digits than its factorization.

42133312291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128064833.

The product of its digits is 7776, while the sum is 31.

The spelling of 42133312291 in words is "forty-two billion, one hundred thirty-three million, three hundred twelve thousand, two hundred ninety-one".