6213636534 has 64 divisors (see below), whose sum is σ = 14458931712. Its totient is φ = 1743379200.

The previous prime is 6213636523. The next prime is 6213636547. The reversal of 6213636534 is 4356363126.

It is a junction number, because it is equal to n+sod(n) for n = 6213636492 and 6213636501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1948089 + ... + 1951275.

It is an arithmetic number, because the mean of its divisors is an integer number (225920808).

Almost surely, 2^6213636534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6213636534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7229465856).

6213636534 is an abundant number, since it is smaller than the sum of its proper divisors (8245295178).

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

6213636534 is a wasteful number, since it uses less digits than its factorization.

6213636534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its digits is 233280, while the sum is 39.

The square root of 6213636534 is about 78826.6232563593. The cubic root of 6213636534 is about 1838.4364211803.

The spelling of 6213636534 in words is "six billion, two hundred thirteen million, six hundred thirty-six thousand, five hundred thirty-four".