42535523387 has 16 divisors (see below), whose sum is σ = 51876864000. Its totient is φ = 34044167808.

The previous prime is 42535523369. The next prime is 42535523399. The reversal of 42535523387 is 78332553524.

It is a happy number.

42535523387 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 42535523387 - 2⁶ = 42535523323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42535523347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392137 + ... + 1422362.

It is an arithmetic number, because the mean of its divisors is an integer number (3242304000).

Almost surely, 2^42535523387 is an apocalyptic number.

42535523387 is a deficient number, since it is larger than the sum of its proper divisors (9341340613).

42535523387 is a wasteful number, since it uses less digits than its factorization.

42535523387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814650.

The product of its digits is 3024000, while the sum is 47.

The spelling of 42535523387 in words is "forty-two billion, five hundred thirty-five million, five hundred twenty-three thousand, three hundred eighty-seven".