9749063539 has 4 divisors (see below), whose sum is σ = 9749302024. Its totient is φ = 9748825056.

The previous prime is 9749063507. The next prime is 9749063549. The reversal of 9749063539 is 9353609479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9749063539 - 2⁵ = 9749063507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9749063539.

It is not an unprimeable number, because it can be changed into a prime (9749063549) 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, 40662 + ... + 145435.

It is an arithmetic number, because the mean of its divisors is an integer number (2437325506).

Almost surely, 2^9749063539 is an apocalyptic number.

9749063539 is a deficient number, since it is larger than the sum of its proper divisors (238485).

9749063539 is a wasteful number, since it uses less digits than its factorization.

9749063539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238484.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The square root of 9749063539 is about 98737.3462221869. The cubic root of 9749063539 is about 2136.2609424502.

The spelling of 9749063539 in words is "nine billion, seven hundred forty-nine million, sixty-three thousand, five hundred thirty-nine".