6541351748 has 6 divisors (see below), whose sum is σ = 11447365566. Its totient is φ = 3270675872.

The previous prime is 6541351727. The next prime is 6541351753. The reversal of 6541351748 is 8471531456.

It can be written as a sum of positive squares in only one way, i.e., 5994166084 + 547185664 = 77422^2 + 23392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6541351699 and 6541351708.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817668965 + ... + 817668972.

It is an arithmetic number, because the mean of its divisors is an integer number (1907894261).

Almost surely, 2^6541351748 is an apocalyptic number.

It is an amenable number.

6541351748 is a deficient number, since it is larger than the sum of its proper divisors (4906013818).

6541351748 is a wasteful number, since it uses less digits than its factorization.

6541351748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635337941 (or 1635337939 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 6541351748 is about 80878.6235540640. The cubic root of 6541351748 is about 1870.2048016517.

The spelling of 6541351748 in words is "six billion, five hundred forty-one million, three hundred fifty-one thousand, seven hundred forty-eight".