6511372338 has 16 divisors (see below), whose sum is σ = 13041120960. Its totient is φ = 2167394736.

The previous prime is 6511372331. The next prime is 6511372363. The reversal of 6511372338 is 8332731156.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6511372296 and 6511372305.

It is not an unprimeable number, because it can be changed into a prime (6511372331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761070 + ... + 769577.

It is an arithmetic number, because the mean of its divisors is an integer number (815070060).

Almost surely, 2^6511372338 is an apocalyptic number.

6511372338 is an abundant number, since it is smaller than the sum of its proper divisors (6529748622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6511372338 is a wasteful number, since it uses less digits than its factorization.

6511372338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531361.

The product of its digits is 90720, while the sum is 39.

The square root of 6511372338 is about 80693.0749073302. The cubic root of 6511372338 is about 1867.3433385964.

The spelling of 6511372338 in words is "six billion, five hundred eleven million, three hundred seventy-two thousand, three hundred thirty-eight".