4534616781 has 12 divisors (see below), whose sum is σ = 6582919200. Its totient is φ = 3007885320.

The previous prime is 4534616777. The next prime is 4534616797. The reversal of 4534616781 is 1876164354.

4534616781 is a `hidden beast` number, since 4 + 53 + 461 + 67 + 81 = 666.

It is not a de Polignac number, because 4534616781 - 2² = 4534616777 is a prime.

It is a super-2 number, since 2×4534616781² = 41125498701053603922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4534616761) 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, 1264155 + ... + 1267736.

It is an arithmetic number, because the mean of its divisors is an integer number (548576600).

Almost surely, 2^4534616781 is an apocalyptic number.

It is an amenable number.

4534616781 is a deficient number, since it is larger than the sum of its proper divisors (2048302419).

4534616781 is a wasteful number, since it uses less digits than its factorization.

4534616781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532096 (or 2532093 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4534616781 is about 67339.5632670721. The cubic root of 4534616781 is about 1655.1862260971.

The spelling of 4534616781 in words is "four billion, five hundred thirty-four million, six hundred sixteen thousand, seven hundred eighty-one".