9942685619 has 8 divisors (see below), whose sum is σ = 10068542400. Its totient is φ = 9816973416.

The previous prime is 9942685609. The next prime is 9942685639. The reversal of 9942685619 is 9165862499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9942685619 - 2²⁴ = 9925908403 is a prime.

It is a super-2 number, since 2×9942685619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9942685609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105764 + ... + 176270.

It is an arithmetic number, because the mean of its divisors is an integer number (1258567800).

Almost surely, 2^9942685619 is an apocalyptic number.

9942685619 is a deficient number, since it is larger than the sum of its proper divisors (125856781).

9942685619 is a wasteful number, since it uses less digits than its factorization.

9942685619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72289.

The product of its digits is 8398080, while the sum is 59.

The square root of 9942685619 is about 99713.0162967704. The cubic root of 9942685619 is about 2150.3107983363.

The spelling of 9942685619 in words is "nine billion, nine hundred forty-two million, six hundred eighty-five thousand, six hundred nineteen".