6536243454 has 64 divisors (see below), whose sum is σ = 14708542464. Its totient is φ = 1921303296.

The previous prime is 6536243449. The next prime is 6536243489. The reversal of 6536243454 is 4543426356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1851439 + ... + 1854965.

It is an arithmetic number, because the mean of its divisors is an integer number (229820976).

Almost surely, 2^6536243454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6536243454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7354271232).

6536243454 is an abundant number, since it is smaller than the sum of its proper divisors (8172299010).

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

6536243454 is a wasteful number, since it uses less digits than its factorization.

6536243454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601.

The product of its digits is 1036800, while the sum is 42.

The square root of 6536243454 is about 80847.0373854231. The cubic root of 6536243454 is about 1869.7178460356.

The spelling of 6536243454 in words is "six billion, five hundred thirty-six million, two hundred forty-three thousand, four hundred fifty-four".