9642087543 has 16 divisors (see below), whose sum is σ = 14216979456. Its totient is φ = 5763637440.

The previous prime is 9642087527. The next prime is 9642087563. The reversal of 9642087543 is 3457802469.

It is not a de Polignac number, because 9642087543 - 2⁴ = 9642087527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9642087492 and 9642087501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642087503) 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, 1998855 + ... + 2003672.

It is an arithmetic number, because the mean of its divisors is an integer number (888561216).

Almost surely, 2^9642087543 is an apocalyptic number.

9642087543 is a deficient number, since it is larger than the sum of its proper divisors (4574891913).

9642087543 is a wasteful number, since it uses less digits than its factorization.

9642087543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002614.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 9642087543 is about 98194.1319173402. The cubic root of 9642087543 is about 2128.4184916638.

The spelling of 9642087543 in words is "nine billion, six hundred forty-two million, eighty-seven thousand, five hundred forty-three".