42513523671 has 32 divisors (see below), whose sum is σ = 59527316992. Its totient is φ = 26964524160.

The previous prime is 42513523669. The next prime is 42513523697. The reversal of 42513523671 is 17632531524.

42513523671 = T₅₉ + T₆₀ + ... + T₆₃₄₁.

42513523671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42513523671 - 2¹ = 42513523669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42513525671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784281 + ... + 836733.

It is an arithmetic number, because the mean of its divisors is an integer number (1860228656).

Almost surely, 2^42513523671 is an apocalyptic number.

42513523671 is a deficient number, since it is larger than the sum of its proper divisors (17013793321).

42513523671 is a wasteful number, since it uses less digits than its factorization.

42513523671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52663.

The product of its digits is 151200, while the sum is 39.

The spelling of 42513523671 in words is "forty-two billion, five hundred thirteen million, five hundred twenty-three thousand, six hundred seventy-one".