6520562938 has 4 divisors (see below), whose sum is σ = 9780844410. Its totient is φ = 3260281468.

The previous prime is 6520562927. The next prime is 6520562941. The reversal of 6520562938 is 8392650256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6517817289 + 2745649 = 80733^2 + 1657^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630140733 + ... + 1630140736.

Almost surely, 2^6520562938 is an apocalyptic number.

6520562938 is a deficient number, since it is larger than the sum of its proper divisors (3260281472).

6520562938 is a wasteful number, since it uses less digits than its factorization.

6520562938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260281471.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 6520562938 is about 80750.0027120743. The cubic root of 6520562938 is about 1868.2214912897.

The spelling of 6520562938 in words is "six billion, five hundred twenty million, five hundred sixty-two thousand, nine hundred thirty-eight".