2152128641 has 24 divisors (see below), whose sum is σ = 2399402304. Its totient is φ = 1928646720.

The previous prime is 2152128631. The next prime is 2152128697. The reversal of 2152128641 is 1468212512.

It is not a de Polignac number, because 2152128641 - 2²² = 2147934337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2152128598 and 2152128607.

It is not an unprimeable number, because it can be changed into a prime (2152128631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802595 + ... + 805271.

It is an arithmetic number, because the mean of its divisors is an integer number (99975096).

Almost surely, 2^2152128641 is an apocalyptic number.

It is an amenable number.

2152128641 is a deficient number, since it is larger than the sum of its proper divisors (247273663).

2152128641 is a wasteful number, since it uses less digits than its factorization.

2152128641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2828 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 2152128641 is about 46391.0405250842. The cubic root of 2152128641 is about 1291.0886871446.

The spelling of 2152128641 in words is "two billion, one hundred fifty-two million, one hundred twenty-eight thousand, six hundred forty-one".