28457643141 has 8 divisors (see below), whose sum is σ = 42159471360. Its totient is φ = 18971762076.

The previous prime is 28457643121. The next prime is 28457643161. The reversal of 28457643141 is 14134675482.

28457643141 is a `hidden beast` number, since 2 + 8 + 4 + 576 + 4 + 31 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (28457643121) and next prime (28457643161).

It is not a de Polignac number, because 28457643141 - 2⁷ = 28457643013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28457643101) 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, 526993365 + ... + 526993418.

It is an arithmetic number, because the mean of its divisors is an integer number (5269933920).

Almost surely, 2^28457643141 is an apocalyptic number.

It is an amenable number.

28457643141 is a deficient number, since it is larger than the sum of its proper divisors (13701828219).

28457643141 is a wasteful number, since it uses less digits than its factorization.

28457643141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053986792 (or 1053986786 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 28457643141 in words is "twenty-eight billion, four hundred fifty-seven million, six hundred forty-three thousand, one hundred forty-one".