4538815761 has 4 divisors (see below), whose sum is σ = 6051754352. Its totient is φ = 3025877172.

The previous prime is 4538815759. The next prime is 4538815769. The reversal of 4538815761 is 1675188354.

4538815761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4538815761 - 2¹ = 4538815759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4538815761.

It is not an unprimeable number, because it can be changed into a prime (4538815769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756469291 + ... + 756469296.

It is an arithmetic number, because the mean of its divisors is an integer number (1512938588).

Almost surely, 2^4538815761 is an apocalyptic number.

It is an amenable number.

4538815761 is a deficient number, since it is larger than the sum of its proper divisors (1512938591).

4538815761 is a wasteful number, since it uses less digits than its factorization.

4538815761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512938590.

The product of its digits is 806400, while the sum is 48.

The square root of 4538815761 is about 67370.7337127925. The cubic root of 4538815761 is about 1655.6969601586.

The spelling of 4538815761 in words is "four billion, five hundred thirty-eight million, eight hundred fifteen thousand, seven hundred sixty-one".