6525099349 has 4 divisors (see below), whose sum is σ = 6530131564. Its totient is φ = 6520067136.

The previous prime is 6525099323. The next prime is 6525099353. The reversal of 6525099349 is 9439905256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6493458724 + 31640625 = 80582^2 + 5625^2 .

It is a cyclic number.

It is not a de Polignac number, because 6525099349 - 2²⁹ = 5988228437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6525099296 and 6525099305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525093349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514162 + ... + 2516755.

It is an arithmetic number, because the mean of its divisors is an integer number (1632532891).

Almost surely, 2^6525099349 is an apocalyptic number.

It is an amenable number.

6525099349 is a deficient number, since it is larger than the sum of its proper divisors (5032215).

6525099349 is a wasteful number, since it uses less digits than its factorization.

6525099349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032214.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The square root of 6525099349 is about 80778.0870595485. The cubic root of 6525099349 is about 1868.6546367089.

The spelling of 6525099349 in words is "six billion, five hundred twenty-five million, ninety-nine thousand, three hundred forty-nine".