6149718272 has 72 divisors (see below), whose sum is σ = 12635108640. Its totient is φ = 2985615360.

The previous prime is 6149718259. The next prime is 6149718287. The reversal of 6149718272 is 2728179416.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968872 + ... + 1971992.

It is an arithmetic number, because the mean of its divisors is an integer number (175487620).

Almost surely, 2^6149718272 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 6149718272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6317554320).

6149718272 is an abundant number, since it is smaller than the sum of its proper divisors (6485390368).

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

6149718272 is a wasteful number, since it uses less digits than its factorization.

6149718272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3345 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 6149718272 is about 78420.1394540969. The cubic root of 6149718272 is about 1832.1108226088.

The spelling of 6149718272 in words is "six billion, one hundred forty-nine million, seven hundred eighteen thousand, two hundred seventy-two".