4567749681 has 16 divisors (see below), whose sum is σ = 6656728320. Its totient is φ = 2763029520.

The previous prime is 4567749647. The next prime is 4567749731. The reversal of 4567749681 is 1869477654.

It is not a de Polignac number, because 4567749681 - 2¹⁰ = 4567748657 is a prime.

It is a super-2 number, since 2×4567749681² = 41728674296551203522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4567749631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115071 + ... + 149588.

It is an arithmetic number, because the mean of its divisors is an integer number (416045520).

Almost surely, 2^4567749681 is an apocalyptic number.

It is an amenable number.

4567749681 is a deficient number, since it is larger than the sum of its proper divisors (2088978639).

4567749681 is a wasteful number, since it uses less digits than its factorization.

4567749681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265196.

The product of its digits is 10160640, while the sum is 57.

The square root of 4567749681 is about 67585.1291409582. The cubic root of 4567749681 is about 1659.2077412882.

The spelling of 4567749681 in words is "four billion, five hundred sixty-seven million, seven hundred forty-nine thousand, six hundred eighty-one".