5642426523 has 16 divisors (see below), whose sum is σ = 7959409920. Its totient is φ = 3545541216.

The previous prime is 5642426501. The next prime is 5642426533. The reversal of 5642426523 is 3256242465.

It is not a de Polignac number, because 5642426523 - 2²⁴ = 5625649307 is a prime.

It is a super-3 number, since 3×5642426523³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5642426533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240015 + ... + 262472.

It is an arithmetic number, because the mean of its divisors is an integer number (497463120).

Almost surely, 2^5642426523 is an apocalyptic number.

5642426523 is a deficient number, since it is larger than the sum of its proper divisors (2316983397).

5642426523 is a wasteful number, since it uses less digits than its factorization.

5642426523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502706.

The product of its digits is 345600, while the sum is 39.

The square root of 5642426523 is about 75116.0869787558. The cubic root of 5642426523 is about 1780.2813302544.

Adding to 5642426523 its reverse (3256242465), we get a palindrome (8898668988).

The spelling of 5642426523 in words is "five billion, six hundred forty-two million, four hundred twenty-six thousand, five hundred twenty-three".