2608686684244 has 6 divisors (see below), whose sum is σ = 4565201697434. Its totient is φ = 1304343342120.

The previous prime is 2608686684223. The next prime is 2608686684269. The reversal of 2608686684244 is 4424866868062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2201721792400 + 406964891844 = 1483820^2 + 637938^2 .

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 as a sum of consecutive naturals, namely, 326085835527 + ... + 326085835534.

Almost surely, 2^{2608686684244} is an apocalyptic number.

It is an amenable number.

2608686684244 is a deficient number, since it is larger than the sum of its proper divisors (1956515013190).

2608686684244 is a wasteful number, since it uses less digits than its factorization.

2608686684244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652171671065 (or 652171671063 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 64.

The spelling of 2608686684244 in words is "two trillion, six hundred eight billion, six hundred eighty-six million, six hundred eighty-four thousand, two hundred forty-four".