9844996738 has 4 divisors (see below), whose sum is σ = 14767495110. Its totient is φ = 4922498368.

The previous prime is 9844996727. The next prime is 9844996781. The reversal of 9844996738 is 8376994489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8376994489 = 307 ⋅27286627.

It can be written as a sum of positive squares in only one way, i.e., 7923314169 + 1921682569 = 89013^2 + 43837^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461249183 + ... + 2461249186.

Almost surely, 2^9844996738 is an apocalyptic number.

9844996738 is a deficient number, since it is larger than the sum of its proper divisors (4922498372).

9844996738 is a wasteful number, since it uses less digits than its factorization.

9844996738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922498371.

The product of its digits is 94058496, while the sum is 67.

The square root of 9844996738 is about 99221.9569349446. The cubic root of 9844996738 is about 2143.2451955713.

The spelling of 9844996738 in words is "nine billion, eight hundred forty-four million, nine hundred ninety-six thousand, seven hundred thirty-eight".