4854530781 has 6 divisors (see below), whose sum is σ = 7012100030. Its totient is φ = 3236353848.

The previous prime is 4854530771. The next prime is 4854530789. The reversal of 4854530781 is 1870354584.

4854530781 is a `hidden beast` number, since 4 + 8 + 545 + 30 + 78 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4377807225 + 476723556 = 66165^2 + 21834^2 .

It is not a de Polignac number, because 4854530781 - 2⁶ = 4854530717 is a prime.

It is a super-2 number, since 2×4854530781² = 47132938207352939922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4854530789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269696146 + ... + 269696163.

Almost surely, 2^4854530781 is an apocalyptic number.

It is an amenable number.

4854530781 is a deficient number, since it is larger than the sum of its proper divisors (2157569249).

4854530781 is a wasteful number, since it uses less digits than its factorization.

4854530781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539392315 (or 539392312 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 4854530781 is about 69674.4629042808. The cubic root of 4854530781 is about 1693.2292144589.

The spelling of 4854530781 in words is "four billion, eight hundred fifty-four million, five hundred thirty thousand, seven hundred eighty-one".