6409949999260 has 24 divisors (see below), whose sum is σ = 13461379555680. Its totient is φ = 2563887703104.

The previous prime is 6409949999207. The next prime is 6409949999279. The reversal of 6409949999260 is 629999499046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5197675 + ... + 6311554.

It is an arithmetic number, because the mean of its divisors is an integer number (560890814820).

Almost surely, 2^{6409949999260} is an apocalyptic number.

It is an amenable number.

6409949999260 is an abundant number, since it is smaller than the sum of its proper divisors (7051429556420).

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

6409949999260 is a wasteful number, since it uses less digits than its factorization.

6409949999260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11537085 (or 11537083 counting only the distinct ones).

The product of its (nonzero) digits is 612220032, while the sum is 76.

The spelling of 6409949999260 in words is "six trillion, four hundred nine billion, nine hundred forty-nine million, nine hundred ninety-nine thousand, two hundred sixty".