9744542313 has 32 divisors (see below), whose sum is σ = 14396525952. Its totient is φ = 5813337600.

The previous prime is 9744542287. The next prime is 9744542371. The reversal of 9744542313 is 3132454479.

It is a happy number.

It is not a de Polignac number, because 9744542313 - 2²⁰ = 9743493737 is a prime.

It is a super-2 number, since 2×9744542313² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9744542513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1299531 + ... + 1307007.

It is an arithmetic number, because the mean of its divisors is an integer number (449891436).

Almost surely, 2^9744542313 is an apocalyptic number.

It is an amenable number.

9744542313 is a deficient number, since it is larger than the sum of its proper divisors (4651983639).

9744542313 is a wasteful number, since it uses less digits than its factorization.

9744542313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its digits is 362880, while the sum is 42.

The square root of 9744542313 is about 98714.4483497730. The cubic root of 9744542313 is about 2135.9306539071.

The spelling of 9744542313 in words is "nine billion, seven hundred forty-four million, five hundred forty-two thousand, three hundred thirteen".