42154223513 has 24 divisors (see below), whose sum is σ = 43892005248. Its totient is φ = 40478480000.

The previous prime is 42154223459. The next prime is 42154223569. The reversal of 42154223513 is 31532245124.

42154223513 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 42154223513 - 2⁸ = 42154223257 is a prime.

It is a super-2 number, since 2×42154223513² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42154223513.

It is not an unprimeable number, because it can be changed into a prime (42154223113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60134063 + ... + 60134763.

It is an arithmetic number, because the mean of its divisors is an integer number (1828833552).

Almost surely, 2^42154223513 is an apocalyptic number.

It is an amenable number.

42154223513 is a deficient number, since it is larger than the sum of its proper divisors (1737781735).

42154223513 is an equidigital number, since it uses as much as digits as its factorization.

42154223513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1256 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 42154223513 its reverse (31532245124), we get a palindrome (73686468637).

The spelling of 42154223513 in words is "forty-two billion, one hundred fifty-four million, two hundred twenty-three thousand, five hundred thirteen".