6521013422 has 32 divisors (see below), whose sum is σ = 12524751360. Its totient is φ = 2471986080.

The previous prime is 6521013419. The next prime is 6521013431. The reversal of 6521013422 is 2243101256.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6521013391 and 6521013400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566522 + ... + 577917.

It is an arithmetic number, because the mean of its divisors is an integer number (391398480).

Almost surely, 2^6521013422 is an apocalyptic number.

6521013422 is a deficient number, since it is larger than the sum of its proper divisors (6003737938).

6521013422 is a wasteful number, since it uses less digits than its factorization.

6521013422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144496.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6521013422 is about 80752.7920384181. The cubic root of 6521013422 is about 1868.2645133681.

Adding to 6521013422 its reverse (2243101256), we get a palindrome (8764114678).

The spelling of 6521013422 in words is "six billion, five hundred twenty-one million, thirteen thousand, four hundred twenty-two".