4804931561 has 4 divisors (see below), whose sum is σ = 5087574612. Its totient is φ = 4522288512.

The previous prime is 4804931557. The next prime is 4804931581. The reversal of 4804931561 is 1651394084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1357480336 + 3447451225 = 36844^2 + 58715^2 .

It is a cyclic number.

It is not a de Polignac number, because 4804931561 - 2² = 4804931557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4804931581) 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, 141321500 + ... + 141321533.

It is an arithmetic number, because the mean of its divisors is an integer number (1271893653).

Almost surely, 2^4804931561 is an apocalyptic number.

It is an amenable number.

4804931561 is a deficient number, since it is larger than the sum of its proper divisors (282643051).

4804931561 is a wasteful number, since it uses less digits than its factorization.

4804931561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282643050.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 4804931561 is about 69317.6136418443. The cubic root of 4804931561 is about 1687.4428328215.

The spelling of 4804931561 in words is "four billion, eight hundred four million, nine hundred thirty-one thousand, five hundred sixty-one".