6541420832 has 12 divisors (see below), whose sum is σ = 12878422326. Its totient is φ = 3270710400.

The previous prime is 6541420829. The next prime is 6541420859. The reversal of 6541420832 is 2380241456.

It can be written as a sum of positive squares in only one way, i.e., 4008915856 + 2532504976 = 63316^2 + 50324^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6541420792 and 6541420801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102209669 + ... + 102209732.

Almost surely, 2^6541420832 is an apocalyptic number.

It is an amenable number.

6541420832 is a deficient number, since it is larger than the sum of its proper divisors (6337001494).

6541420832 is a wasteful number, since it uses less digits than its factorization.

6541420832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204419411 (or 204419403 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 6541420832 is about 80879.0506373560. The cubic root of 6541420832 is about 1870.2113854475.

The spelling of 6541420832 in words is "six billion, five hundred forty-one million, four hundred twenty thousand, eight hundred thirty-two".