6725198519 has 4 divisors (see below), whose sum is σ = 7242521496. Its totient is φ = 6207875544.

The previous prime is 6725198407. The next prime is 6725198527. The reversal of 6725198519 is 9158915276.

It is a happy number.

6725198519 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6725198519 - 2²⁸ = 6456763063 is a prime.

It is a super-2 number, since 2×6725198519² = 90456590239919586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725198119) 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, 258661469 + ... + 258661494.

It is an arithmetic number, because the mean of its divisors is an integer number (1810630374).

Almost surely, 2^6725198519 is an apocalyptic number.

6725198519 is a deficient number, since it is larger than the sum of its proper divisors (517322977).

6725198519 is a wasteful number, since it uses less digits than its factorization.

6725198519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517322976.

The product of its digits is 1360800, while the sum is 53.

The square root of 6725198519 is about 82007.3077170565. The cubic root of 6725198519 is about 1887.5640742777.

The spelling of 6725198519 in words is "six billion, seven hundred twenty-five million, one hundred ninety-eight thousand, five hundred nineteen".