2128908962 has 4 divisors (see below), whose sum is σ = 3193363446. Its totient is φ = 1064454480.

The previous prime is 2128908953. The next prime is 2128909043. The reversal of 2128908962 is 2698098212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1573788241 + 555120721 = 39671^2 + 23561^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532227239 + ... + 532227242.

Almost surely, 2^2128908962 is an apocalyptic number.

2128908962 is a deficient number, since it is larger than the sum of its proper divisors (1064454484).

2128908962 is a wasteful number, since it uses less digits than its factorization.

2128908962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064454483.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 2128908962 is about 46140.1014519908. The cubic root of 2128908962 is about 1286.4286294716.

The spelling of 2128908962 in words is "two billion, one hundred twenty-eight million, nine hundred eight thousand, nine hundred sixty-two".