2128314639 has 8 divisors (see below), whose sum is σ = 3095730432. Its totient is φ = 1289887640.

The previous prime is 2128314631. The next prime is 2128314653. The reversal of 2128314639 is 9364138212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2128314639 - 2³ = 2128314631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2128314597 and 2128314606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128314631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32247159 + ... + 32247224.

It is an arithmetic number, because the mean of its divisors is an integer number (386966304).

Almost surely, 2^2128314639 is an apocalyptic number.

2128314639 is a deficient number, since it is larger than the sum of its proper divisors (967415793).

2128314639 is a wasteful number, since it uses less digits than its factorization.

2128314639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64494397.

The product of its digits is 62208, while the sum is 39.

The square root of 2128314639 is about 46133.6605853037. The cubic root of 2128314639 is about 1286.3089084794.

It can be divided in two parts, 212831 and 4639, that added together give a triangular number (217470 = T₆₅₉).

The spelling of 2128314639 in words is "two billion, one hundred twenty-eight million, three hundred fourteen thousand, six hundred thirty-nine".