6541346436 has 12 divisors (see below), whose sum is σ = 15263141712. Its totient is φ = 2180448808.

The previous prime is 6541346431. The next prime is 6541346473. The reversal of 6541346436 is 6346431456.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6541346431) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 272556090 + ... + 272556113.

It is an arithmetic number, because the mean of its divisors is an integer number (1271928476).

Almost surely, 2^6541346436 is an apocalyptic number.

It is an amenable number.

6541346436 is an abundant number, since it is smaller than the sum of its proper divisors (8721795276).

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

6541346436 is a wasteful number, since it uses less digits than its factorization.

6541346436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545112210 (or 545112208 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The square root of 6541346436 is about 80878.5907147250. The cubic root of 6541346436 is about 1870.2042954092.

The spelling of 6541346436 in words is "six billion, five hundred forty-one million, three hundred forty-six thousand, four hundred thirty-six".