4681841557 has 4 divisors (see below), whose sum is σ = 4832868736. Its totient is φ = 4530814380.

The previous prime is 4681841551. The next prime is 4681841569. The reversal of 4681841557 is 7551481864.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4681841557 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 4681841557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4681841551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75513543 + ... + 75513604.

It is an arithmetic number, because the mean of its divisors is an integer number (1208217184).

Almost surely, 2^4681841557 is an apocalyptic number.

It is an amenable number.

4681841557 is a deficient number, since it is larger than the sum of its proper divisors (151027179).

4681841557 is a wasteful number, since it uses less digits than its factorization.

4681841557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151027178.

The product of its digits is 1075200, while the sum is 49.

The square root of 4681841557 is about 68423.9837849273. The cubic root of 4681841557 is about 1672.9086910452.

The spelling of 4681841557 in words is "four billion, six hundred eighty-one million, eight hundred forty-one thousand, five hundred fifty-seven".