2128308662 has 4 divisors (see below), whose sum is σ = 3192462996. Its totient is φ = 1064154330.

The previous prime is 2128308631. The next prime is 2128308671. The reversal of 2128308662 is 2668038212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532077164 + ... + 532077167.

It is an arithmetic number, because the mean of its divisors is an integer number (798115749).

Almost surely, 2^2128308662 is an apocalyptic number.

2128308662 is a deficient number, since it is larger than the sum of its proper divisors (1064154334).

2128308662 is a wasteful number, since it uses less digits than its factorization.

2128308662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064154333.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2128308662 is about 46133.5958060934. The cubic root of 2128308662 is about 1286.3077043537.

The spelling of 2128308662 in words is "two billion, one hundred twenty-eight million, three hundred eight thousand, six hundred sixty-two".