6519496845 has 16 divisors (see below), whose sum is σ = 10506242880. Its totient is φ = 3452049024.

The previous prime is 6519496843. The next prime is 6519496849. The reversal of 6519496845 is 5486949156.

It is not a de Polignac number, because 6519496845 - 2¹ = 6519496843 is a prime.

It is a super-2 number, since 2×6519496845² = 85007678223929908050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6519496843) 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, 1561344 + ... + 1565513.

It is an arithmetic number, because the mean of its divisors is an integer number (656640180).

Almost surely, 2^6519496845 is an apocalyptic number.

It is an amenable number.

6519496845 is a deficient number, since it is larger than the sum of its proper divisors (3986746035).

6519496845 is a wasteful number, since it uses less digits than its factorization.

6519496845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127004.

The product of its digits is 9331200, while the sum is 57.

The square root of 6519496845 is about 80743.4012474084. The cubic root of 6519496845 is about 1868.1196694874.

The spelling of 6519496845 in words is "six billion, five hundred nineteen million, four hundred ninety-six thousand, eight hundred forty-five".