7529419521 has 48 divisors (see below), whose sum is σ = 11818934400. Its totient is φ = 4591572480.

The previous prime is 7529419477. The next prime is 7529419529. The reversal of 7529419521 is 1259149257.

7529419521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7529419521 - 2²⁵ = 7495865089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7529419529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7706185 + ... + 7707161.

It is an arithmetic number, because the mean of its divisors is an integer number (246227800).

Almost surely, 2^7529419521 is an apocalyptic number.

It is an amenable number.

7529419521 is a deficient number, since it is larger than the sum of its proper divisors (4289514879).

7529419521 is a wasteful number, since it uses less digits than its factorization.

7529419521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1523 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 7529419521 is about 86772.2278208875. The cubic root of 7529419521 is about 1959.9898931347.

The spelling of 7529419521 in words is "seven billion, five hundred twenty-nine million, four hundred nineteen thousand, five hundred twenty-one".