2128601751 has 16 divisors (see below), whose sum is σ = 2850631680. Its totient is φ = 1412832960.

The previous prime is 2128601737. The next prime is 2128601803. The reversal of 2128601751 is 1571068212.

It is not a de Polignac number, because 2128601751 - 2⁵ = 2128601719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128601051) 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, 1279146 + ... + 1280808.

It is an arithmetic number, because the mean of its divisors is an integer number (178164480).

Almost surely, 2^2128601751 is an apocalyptic number.

2128601751 is a deficient number, since it is larger than the sum of its proper divisors (722029929).

2128601751 is a wasteful number, since it uses less digits than its factorization.

2128601751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 2128601751 is about 46136.7722212987. The cubic root of 2128601751 is about 1286.3667473771.

Adding to 2128601751 its reverse (1571068212), we get a palindrome (3699669963).

The spelling of 2128601751 in words is "two billion, one hundred twenty-eight million, six hundred one thousand, seven hundred fifty-one".