6539624463 has 16 divisors (see below), whose sum is σ = 8784185696. Its totient is φ = 4327464960.

The previous prime is 6539624461. The next prime is 6539624467. The reversal of 6539624463 is 3644269356.

It is not a de Polignac number, because 6539624463 - 2¹ = 6539624461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539624461) 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, 479823 + ... + 493263.

It is an arithmetic number, because the mean of its divisors is an integer number (549011606).

Almost surely, 2^6539624463 is an apocalyptic number.

6539624463 is a deficient number, since it is larger than the sum of its proper divisors (2244561233).

6539624463 is a wasteful number, since it uses less digits than its factorization.

6539624463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14634.

The product of its digits is 2799360, while the sum is 48.

The square root of 6539624463 is about 80867.9445948764. The cubic root of 6539624463 is about 1870.0401740537.

The spelling of 6539624463 in words is "six billion, five hundred thirty-nine million, six hundred twenty-four thousand, four hundred sixty-three".