42523650687 has 16 divisors (see below), whose sum is σ = 66304874240. Its totient is φ = 23734130112.

The previous prime is 42523650679. The next prime is 42523650797. The reversal of 42523650687 is 78605632524.

It is not a de Polignac number, because 42523650687 - 2³ = 42523650679 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 (42523650667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23544862 + ... + 23546667.

It is an arithmetic number, because the mean of its divisors is an integer number (4144054640).

Almost surely, 2^42523650687 is an apocalyptic number.

42523650687 is a deficient number, since it is larger than the sum of its proper divisors (23781223553).

42523650687 is a wasteful number, since it uses less digits than its factorization.

42523650687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47091582.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 42523650687 in words is "forty-two billion, five hundred twenty-three million, six hundred fifty thousand, six hundred eighty-seven".