9995382890 has 16 divisors (see below), whose sum is σ = 18331156008. Its totient is φ = 3922716096.

The previous prime is 9995382841. The next prime is 9995382893. The reversal of 9995382890 is 982835999.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8766389641 + 1228993249 = 93629^2 + 35057^2 .

It is not an unprimeable number, because it can be changed into a prime (9995382893) 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, 9429077 + ... + 9430136.

Almost surely, 2^9995382890 is an apocalyptic number.

9995382890 is a deficient number, since it is larger than the sum of its proper divisors (8335773118).

9995382890 is a wasteful number, since it uses less digits than its factorization.

9995382890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18859273.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The square root of 9995382890 is about 99976.9117846716. The cubic root of 9995382890 is about 2154.1030635897.

The spelling of 9995382890 in words is "nine billion, nine hundred ninety-five million, three hundred eighty-two thousand, eight hundred ninety".