42589670523 has 4 divisors (see below), whose sum is σ = 56786227368. Its totient is φ = 28393113680.

The previous prime is 42589670521. The next prime is 42589670527. The reversal of 42589670523 is 32507698524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42589670523 - 2¹ = 42589670521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42589670521) 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, 7098278418 + ... + 7098278423.

It is an arithmetic number, because the mean of its divisors is an integer number (14196556842).

Almost surely, 2^42589670523 is an apocalyptic number.

42589670523 is a deficient number, since it is larger than the sum of its proper divisors (14196556845).

42589670523 is a wasteful number, since it uses less digits than its factorization.

42589670523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14196556844.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 42589670523 in words is "forty-two billion, five hundred eighty-nine million, six hundred seventy thousand, five hundred twenty-three".