9879613742 has 4 divisors (see below), whose sum is σ = 14819420616. Its totient is φ = 4939806870.

The previous prime is 9879613739. The next prime is 9879613847. The reversal of 9879613742 is 2473169789.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9879613742² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2469903434 + ... + 2469903437.

It is an arithmetic number, because the mean of its divisors is an integer number (3704855154).

Almost surely, 2^9879613742 is an apocalyptic number.

9879613742 is a deficient number, since it is larger than the sum of its proper divisors (4939806874).

9879613742 is a wasteful number, since it uses less digits than its factorization.

9879613742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939806873.

The product of its digits is 4572288, while the sum is 56.

The square root of 9879613742 is about 99396.2461162392. The cubic root of 9879613742 is about 2145.7542852156.

The spelling of 9879613742 in words is "nine billion, eight hundred seventy-nine million, six hundred thirteen thousand, seven hundred forty-two".