2128654958 has 8 divisors (see below), whose sum is σ = 3193971960. Its totient is φ = 1063997640.

The previous prime is 2128654951. The next prime is 2128654973. The reversal of 2128654958 is 8594568212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128654951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156773 + ... + 169808.

It is an arithmetic number, because the mean of its divisors is an integer number (399246495).

Almost surely, 2^2128654958 is an apocalyptic number.

2128654958 is a deficient number, since it is larger than the sum of its proper divisors (1065317002).

2128654958 is a wasteful number, since it uses less digits than its factorization.

2128654958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329842.

The product of its digits is 1382400, while the sum is 50.

The square root of 2128654958 is about 46137.3488401750. The cubic root of 2128654958 is about 1286.3774653903.

The spelling of 2128654958 in words is "two billion, one hundred twenty-eight million, six hundred fifty-four thousand, nine hundred fifty-eight".