2128708623288 has 64 divisors (see below), whose sum is σ = 5742532938240. Its totient is φ = 653685058944.

The previous prime is 2128708623281. The next prime is 2128708623319. The reversal of 2128708623288 is 8823268078212.

It is a happy number.

It is a super-3 number, since 3×2128708623288³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128708623281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6625156 + ... + 6939027.

It is an arithmetic number, because the mean of its divisors is an integer number (89727077160).

Almost surely, 2^{2128708623288} is an apocalyptic number.

It is an amenable number.

2128708623288 is an abundant number, since it is smaller than the sum of its proper divisors (3613824314952).

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

2128708623288 is a wasteful number, since it uses less digits than its factorization.

2128708623288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564708 (or 13564704 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 2128708623288 in words is "two trillion, one hundred twenty-eight billion, seven hundred eight million, six hundred twenty-three thousand, two hundred eighty-eight".