4581611487 has 48 divisors (see below), whose sum is σ = 7006371840. Its totient is φ = 2880795456.

The previous prime is 4581611479. The next prime is 4581611513. The reversal of 4581611487 is 7841161854.

4581611487 is a `hidden beast` number, since 4 + 5 + 8 + 161 + 1 + 487 = 666.

It is not a de Polignac number, because 4581611487 - 2³ = 4581611479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581611887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2219818 + ... + 2221880.

It is an arithmetic number, because the mean of its divisors is an integer number (145966080).

Almost surely, 2^4581611487 is an apocalyptic number.

4581611487 is a deficient number, since it is larger than the sum of its proper divisors (2424760353).

4581611487 is a wasteful number, since it uses less digits than its factorization.

4581611487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2289 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 4581611487 is about 67687.6021661279. The cubic root of 4581611487 is about 1660.8844523484.

The spelling of 4581611487 in words is "four billion, five hundred eighty-one million, six hundred eleven thousand, four hundred eighty-seven".