2208649539456 has 48 divisors (see below), whose sum is σ = 6355619120760. Its totient is φ = 736216512768.

The previous prime is 2208649539427. The next prime is 2208649539487. The reversal of 2208649539456 is 6549359468022.

It is a happy number.

2208649539456 is a `hidden beast` number, since 2 + 2 + 0 + 8 + 6 + 49 + 539 + 4 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2208649539393 and 2208649539402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 958614100 + ... + 958616403.

Almost surely, 2^{2208649539456} is an apocalyptic number.

It is an amenable number.

2208649539456 is an abundant number, since it is smaller than the sum of its proper divisors (4146969581304).

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

2208649539456 is a wasteful number, since it uses less digits than its factorization.

2208649539456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917230523 (or 1917230508 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 63.

The spelling of 2208649539456 in words is "two trillion, two hundred eight billion, six hundred forty-nine million, five hundred thirty-nine thousand, four hundred fifty-six".