42741133721 has 8 divisors (see below), whose sum is σ = 50213360064. Its totient is φ = 35866685520.

The previous prime is 42741133693. The next prime is 42741133727. The reversal of 42741133721 is 12733114724.

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 42741133721 - 2¹⁰ = 42741132697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42741133727) 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, 149444381 + ... + 149444666.

It is an arithmetic number, because the mean of its divisors is an integer number (6276670008).

Almost surely, 2^42741133721 is an apocalyptic number.

It is an amenable number.

42741133721 is a deficient number, since it is larger than the sum of its proper divisors (7472226343).

42741133721 is a wasteful number, since it uses less digits than its factorization.

42741133721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298889071.

The product of its digits is 28224, while the sum is 35.

The spelling of 42741133721 in words is "forty-two billion, seven hundred forty-one million, one hundred thirty-three thousand, seven hundred twenty-one".