42541034857 has 4 divisors (see below), whose sum is σ = 43913326336. Its totient is φ = 41168743380.

The previous prime is 42541034843. The next prime is 42541034891. The reversal of 42541034857 is 75843014524.

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 42541034857 - 2⁷ = 42541034729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42541035857) 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, 686145693 + ... + 686145754.

It is an arithmetic number, because the mean of its divisors is an integer number (10978331584).

Almost surely, 2^42541034857 is an apocalyptic number.

It is an amenable number.

42541034857 is a deficient number, since it is larger than the sum of its proper divisors (1372291479).

42541034857 is a wasteful number, since it uses less digits than its factorization.

42541034857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372291478.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 42541034857 in words is "forty-two billion, five hundred forty-one million, thirty-four thousand, eight hundred fifty-seven".