42549434337 has 4 divisors (see below), whose sum is σ = 56732579120. Its totient is φ = 28366289556.

The previous prime is 42549434267. The next prime is 42549434341. The reversal of 42549434337 is 73343494524.

42549434337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42549434337 - 2¹⁰ = 42549433313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42549439337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7091572387 + ... + 7091572392.

It is an arithmetic number, because the mean of its divisors is an integer number (14183144780).

Almost surely, 2^42549434337 is an apocalyptic number.

It is an amenable number.

42549434337 is a deficient number, since it is larger than the sum of its proper divisors (14183144783).

42549434337 is a wasteful number, since it uses less digits than its factorization.

42549434337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14183144782.

The product of its digits is 4354560, while the sum is 48.

The spelling of 42549434337 in words is "forty-two billion, five hundred forty-nine million, four hundred thirty-four thousand, three hundred thirty-seven".