6365641436 has 48 divisors (see below), whose sum is σ = 13928931072. Its totient is φ = 2472931200.

The previous prime is 6365641423. The next prime is 6365641441. The reversal of 6365641436 is 6341465636.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77096 + ... + 136656.

It is an arithmetic number, because the mean of its divisors is an integer number (290186064).

Almost surely, 2^6365641436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6365641436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6964465536).

6365641436 is an abundant number, since it is smaller than the sum of its proper divisors (7563289636).

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

6365641436 is a wasteful number, since it uses less digits than its factorization.

6365641436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59930 (or 59928 counting only the distinct ones).

The product of its digits is 933120, while the sum is 44.

The square root of 6365641436 is about 79784.9699880874. The cubic root of 6365641436 is about 1853.3071049230.

The spelling of 6365641436 in words is "six billion, three hundred sixty-five million, six hundred forty-one thousand, four hundred thirty-six".