6498136399444 has 12 divisors (see below), whose sum is σ = 11428883116000. Its totient is φ = 3232741223448.

The previous prime is 6498136399393. The next prime is 6498136399597. The reversal of 6498136399444 is 4449936318946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081743174 + ... + 4081744765.

Almost surely, 2^{6498136399444} is an apocalyptic number.

It is an amenable number.

6498136399444 is a deficient number, since it is larger than the sum of its proper divisors (4930746716556).

6498136399444 is a wasteful number, since it uses less digits than its factorization.

6498136399444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163488142 (or 8163488140 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 70.

The spelling of 6498136399444 in words is "six trillion, four hundred ninety-eight billion, one hundred thirty-six million, three hundred ninety-nine thousand, four hundred forty-four".