2149402688208 has 60 divisors (see below), whose sum is σ = 6016448376900. Its totient is φ = 716335815168.

The previous prime is 2149402688207. The next prime is 2149402688219. The reversal of 2149402688208 is 8028862049412.

2149402688208 is a `hidden beast` number, since 21 + 4 + 9 + 402 + 6 + 8 + 8 + 208 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 310373780544 + 1839028907664 = 557112^2 + 1356108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149402688201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584991 + ... + 2154302.

It is an arithmetic number, because the mean of its divisors is an integer number (100274139615).

Almost surely, 2^{2149402688208} is an apocalyptic number.

It is an amenable number.

2149402688208 is an abundant number, since it is smaller than the sum of its proper divisors (3867045688692).

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

2149402688208 is a wasteful number, since it uses less digits than its factorization.

2149402688208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744756 (or 2744747 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 2149402688208 in words is "two trillion, one hundred forty-nine billion, four hundred two million, six hundred eighty-eight thousand, two hundred eight".