42533003721 has 8 divisors (see below), whose sum is σ = 61073031040. Its totient is φ = 26174156112.

The previous prime is 42533003701. The next prime is 42533003753. The reversal of 42533003721 is 12730033524.

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

It is not a de Polignac number, because 42533003721 - 2⁷ = 42533003593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42533003701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545294881 + ... + 545294958.

It is an arithmetic number, because the mean of its divisors is an integer number (7634128880).

Almost surely, 2^42533003721 is an apocalyptic number.

It is an amenable number.

42533003721 is a deficient number, since it is larger than the sum of its proper divisors (18540027319).

42533003721 is a wasteful number, since it uses less digits than its factorization.

42533003721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090589855.

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 42533003721 in words is "forty-two billion, five hundred thirty-three million, three thousand, seven hundred twenty-one".