9642087542 has 48 divisors (see below), whose sum is σ = 15392361600. Its totient is φ = 4525113600.

The previous prime is 9642087527. The next prime is 9642087563. The reversal of 9642087542 is 2457802469.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27627584 + ... + 27627932.

It is an arithmetic number, because the mean of its divisors is an integer number (320674200).

Almost surely, 2^9642087542 is an apocalyptic number.

9642087542 is a deficient number, since it is larger than the sum of its proper divisors (5750274058).

9642087542 is a wasteful number, since it uses less digits than its factorization.

9642087542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 9642087542 is about 98194.1319122482. The cubic root of 9642087542 is about 2128.4184915902.

The spelling of 9642087542 in words is "nine billion, six hundred forty-two million, eighty-seven thousand, five hundred forty-two".