9995744842 has 32 divisors (see below), whose sum is σ = 15910824960. Its totient is φ = 4701421440.

The previous prime is 9995744761. The next prime is 9995744849. The reversal of 9995744842 is 2484475999.

It is a super-3 number, since 3×9995744842³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9995744849) 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, 4676398 + ... + 4678534.

It is an arithmetic number, because the mean of its divisors is an integer number (497213280).

Almost surely, 2^9995744842 is an apocalyptic number.

9995744842 is a deficient number, since it is larger than the sum of its proper divisors (5915080118).

9995744842 is a wasteful number, since it uses less digits than its factorization.

9995744842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its digits is 26127360, while the sum is 61.

The square root of 9995744842 is about 99978.7219462221. The cubic root of 9995744842 is about 2154.1290646781.

The spelling of 9995744842 in words is "nine billion, nine hundred ninety-five million, seven hundred forty-four thousand, eight hundred forty-two".