9748687493 has 4 divisors (see below), whose sum is σ = 9748921068. Its totient is φ = 9748453920.

The previous prime is 9748687483. The next prime is 9748687579. The reversal of 9748687493 is 3947868479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3947868479 = 269 ⋅14676091.

It can be written as a sum of positive squares in 2 ways, for example, as 7458395044 + 2290292449 = 86362^2 + 47857^2 .

It is a cyclic number.

It is not a de Polignac number, because 9748687493 - 2⁴ = 9748687477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748687433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35168 + ... + 143993.

It is an arithmetic number, because the mean of its divisors is an integer number (2437230267).

Almost surely, 2^9748687493 is an apocalyptic number.

It is an amenable number.

9748687493 is a deficient number, since it is larger than the sum of its proper divisors (233575).

9748687493 is a wasteful number, since it uses less digits than its factorization.

9748687493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233574.

The product of its digits is 73156608, while the sum is 65.

The square root of 9748687493 is about 98735.4419294308. The cubic root of 9748687493 is about 2136.2334751039.

The spelling of 9748687493 in words is "nine billion, seven hundred forty-eight million, six hundred eighty-seven thousand, four hundred ninety-three".