6521935038 has 16 divisors (see below), whose sum is σ = 13238555520. Its totient is φ = 2141530776.

The previous prime is 6521935027. The next prime is 6521935061. The reversal of 6521935038 is 8305391256.

It is a super-2 number, since 2×6521935038² = 85071273279784122888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8111458 + ... + 8112261.

It is an arithmetic number, because the mean of its divisors is an integer number (827409720).

Almost surely, 2^6521935038 is an apocalyptic number.

6521935038 is an abundant number, since it is smaller than the sum of its proper divisors (6716620482).

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

6521935038 is a wasteful number, since it uses less digits than its factorization.

6521935038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16223791.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 6521935038 is about 80758.4982401233. The cubic root of 6521935038 is about 1868.3525232753.

It can be divided in two parts, 652193 and 5038, that added together give a triangular number (657231 = T₁₁₄₆).

The spelling of 6521935038 in words is "six billion, five hundred twenty-one million, nine hundred thirty-five thousand, thirty-eight".