4281389451 has 12 divisors (see below), whose sum is σ = 6397478880. Its totient is φ = 2755836720.

The previous prime is 4281389443. The next prime is 4281389461. The reversal of 4281389451 is 1549831824.

4281389451 is a `hidden beast` number, since 42 + 81 + 3 + 89 + 451 = 666.

It is not a de Polignac number, because 4281389451 - 2³ = 4281389443 is a prime.

It is a super-2 number, since 2×4281389451² = 36660591262268162802, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4281389397 and 4281389406.

It is not an unprimeable number, because it can be changed into a prime (4281389401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8201635 + ... + 8202156.

It is an arithmetic number, because the mean of its divisors is an integer number (533123240).

Almost surely, 2^4281389451 is an apocalyptic number.

4281389451 is a deficient number, since it is larger than the sum of its proper divisors (2116089429).

4281389451 is a wasteful number, since it uses less digits than its factorization.

4281389451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16403826 (or 16403823 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4281389451 is about 65432.3272626001. The cubic root of 4281389451 is about 1623.7839518775.

The spelling of 4281389451 in words is "four billion, two hundred eighty-one million, three hundred eighty-nine thousand, four hundred fifty-one".