2128673751 has 32 divisors (see below), whose sum is σ = 3137174208. Its totient is φ = 1278167040.

The previous prime is 2128673737. The next prime is 2128673777. The reversal of 2128673751 is 1573768212.

It is not a de Polignac number, because 2128673751 - 2⁵ = 2128673719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128673731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105861 + ... + 124353.

It is an arithmetic number, because the mean of its divisors is an integer number (98036694).

Almost surely, 2^2128673751 is an apocalyptic number.

2128673751 is a deficient number, since it is larger than the sum of its proper divisors (1008500457).

2128673751 is a wasteful number, since it uses less digits than its factorization.

2128673751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611.

The product of its digits is 141120, while the sum is 42.

The square root of 2128673751 is about 46137.5525033567. The cubic root of 2128673751 is about 1286.3812510078.

The spelling of 2128673751 in words is "two billion, one hundred twenty-eight million, six hundred seventy-three thousand, seven hundred fifty-one".