4581049102749 has 64 divisors (see below), whose sum is σ = 7821792000000. Its totient is φ = 2595662184960.

The previous prime is 4581049102703. The next prime is 4581049102753. The reversal of 4581049102749 is 9472019401854.

4581049102749 is a `hidden beast` number, since 4 + 5 + 81 + 0 + 491 + 0 + 2 + 74 + 9 = 666.

It is not a de Polignac number, because 4581049102749 - 2⁸ = 4581049102493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4581049102695 and 4581049102704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581009102749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30849922 + ... + 30998060.

It is an arithmetic number, because the mean of its divisors is an integer number (122215500000).

Almost surely, 2^{4581049102749} is an apocalyptic number.

It is an amenable number.

4581049102749 is a deficient number, since it is larger than the sum of its proper divisors (3240742897251).

4581049102749 is a wasteful number, since it uses less digits than its factorization.

4581049102749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149535 (or 149529 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 4581049102749 in words is "four trillion, five hundred eighty-one billion, forty-nine million, one hundred two thousand, seven hundred forty-nine".