6499925193 has 16 divisors (see below), whose sum is σ = 8870659776. Its totient is φ = 4231295040.

The previous prime is 6499925171. The next prime is 6499925219. The reversal of 6499925193 is 3915299946.

It is not a de Polignac number, because 6499925193 - 2¹⁰ = 6499924169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6499925153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751771 + ... + 760367.

It is an arithmetic number, because the mean of its divisors is an integer number (554416236).

Almost surely, 2^6499925193 is an apocalyptic number.

It is an amenable number.

6499925193 is a deficient number, since it is larger than the sum of its proper divisors (2370734583).

6499925193 is a wasteful number, since it uses less digits than its factorization.

6499925193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504.

The product of its digits is 4723920, while the sum is 57.

The square root of 6499925193 is about 80622.1135483311. The cubic root of 6499925193 is about 1866.2484189462.

The spelling of 6499925193 in words is "six billion, four hundred ninety-nine million, nine hundred twenty-five thousand, one hundred ninety-three".