6544748502 has 48 divisors (see below), whose sum is σ = 15092354160. Its totient is φ = 2042597376.

The previous prime is 6544748501. The next prime is 6544748503. The reversal of 6544748502 is 2058474456.

6544748502 is a `hidden beast` number, since 65 + 4 + 47 + 48 + 502 = 666.

It is an interprime number because it is at equal distance from previous prime (6544748501) and next prime (6544748503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544748501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3649 + ... + 114467.

It is an arithmetic number, because the mean of its divisors is an integer number (314424045).

Almost surely, 2^6544748502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6544748502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7546177080).

6544748502 is an abundant number, since it is smaller than the sum of its proper divisors (8547605658).

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

6544748502 is a wasteful number, since it uses less digits than its factorization.

6544748502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111037 (or 111034 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 6544748502 is about 80899.6199125806. The cubic root of 6544748502 is about 1870.5284618888.

It can be divided in two parts, 654474 and 8502, that added together give a triangular number (662976 = T₁₁₅₁).

The spelling of 6544748502 in words is "six billion, five hundred forty-four million, seven hundred forty-eight thousand, five hundred two".