6199378925 has 6 divisors (see below), whose sum is σ = 7687229898. Its totient is φ = 4959503120.

The previous prime is 6199378903. The next prime is 6199378937. The reversal of 6199378925 is 5298739916.

It can be written as a sum of positive squares in 3 ways, for example, as 1569665161 + 4629713764 = 39619^2 + 68042^2 .

It is not a de Polignac number, because 6199378925 - 2¹⁶ = 6199313389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123987554 + ... + 123987603.

It is an arithmetic number, because the mean of its divisors is an integer number (1281204983).

Almost surely, 2^6199378925 is an apocalyptic number.

It is an amenable number.

6199378925 is a deficient number, since it is larger than the sum of its proper divisors (1487850973).

6199378925 is a wasteful number, since it uses less digits than its factorization.

6199378925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247975167 (or 247975162 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 59.

The square root of 6199378925 is about 78736.1348111526. The cubic root of 6199378925 is about 1837.0292054382.

The spelling of 6199378925 in words is "six billion, one hundred ninety-nine million, three hundred seventy-eight thousand, nine hundred twenty-five".