9893512634 has 4 divisors (see below), whose sum is σ = 14840268954. Its totient is φ = 4946756316.

The previous prime is 9893512633. The next prime is 9893512637. The reversal of 9893512634 is 4362153989.

It is a happy number.

9893512634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4362153989 = 47 ⋅92811787.

It can be written as a sum of positive squares in only one way, i.e., 6547237225 + 3346275409 = 80915^2 + 57847^2 .

It is not an unprimeable number, because it can be changed into a prime (9893512631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2473378157 + ... + 2473378160.

Almost surely, 2^9893512634 is an apocalyptic number.

9893512634 is a deficient number, since it is larger than the sum of its proper divisors (4946756320).

9893512634 is a wasteful number, since it uses less digits than its factorization.

9893512634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946756319.

The product of its digits is 1399680, while the sum is 50.

The square root of 9893512634 is about 99466.1381275055. The cubic root of 9893512634 is about 2146.7600476280.

The spelling of 9893512634 in words is "nine billion, eight hundred ninety-three million, five hundred twelve thousand, six hundred thirty-four".