9749825512 has 32 divisors (see below), whose sum is σ = 21337009920. Its totient is φ = 4089591360.

The previous prime is 9749825497. The next prime is 9749825513. The reversal of 9749825512 is 2155289479.

It is a self number, because there is not a number n which added to its sum of digits gives 9749825512.

It is not an unprimeable number, because it can be changed into a prime (9749825513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849539 + ... + 1854802.

It is an arithmetic number, because the mean of its divisors is an integer number (666781560).

Almost surely, 2^9749825512 is an apocalyptic number.

It is an amenable number.

9749825512 is an abundant number, since it is smaller than the sum of its proper divisors (11587184408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9749825512 is a wasteful number, since it uses less digits than its factorization.

9749825512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704401 (or 3704397 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The square root of 9749825512 is about 98741.2047323710. The cubic root of 9749825512 is about 2136.3165967102.

The spelling of 9749825512 in words is "nine billion, seven hundred forty-nine million, eight hundred twenty-five thousand, five hundred twelve".