6513240216404 has 6 divisors (see below), whose sum is σ = 11398170378714. Its totient is φ = 3256620108200.

The previous prime is 6513240216383. The next prime is 6513240216419. The reversal of 6513240216404 is 4046120423156.

It can be written as a sum of positive squares in only one way, i.e., 5390801676100 + 1122438540304 = 2321810^2 + 1059452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814155027047 + ... + 814155027054.

It is an arithmetic number, because the mean of its divisors is an integer number (1899695063119).

Almost surely, 2^{6513240216404} is an apocalyptic number.

It is an amenable number.

6513240216404 is a deficient number, since it is larger than the sum of its proper divisors (4884930162310).

6513240216404 is a wasteful number, since it uses less digits than its factorization.

6513240216404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628310054105 (or 1628310054103 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 6513240216404 in words is "six trillion, five hundred thirteen billion, two hundred forty million, two hundred sixteen thousand, four hundred four".