4641805249 has 4 divisors (see below), whose sum is σ = 4641962580. Its totient is φ = 4641647920.

The previous prime is 4641805061. The next prime is 4641805253. The reversal of 4641805249 is 9425081464.

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 740928400 + 3900876849 = 27220^2 + 62457^2 .

It is a cyclic number.

It is not a de Polignac number, because 4641805249 - 2¹³ = 4641797057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4641895249) 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, 19654 + ... + 98335.

It is an arithmetic number, because the mean of its divisors is an integer number (1160490645).

Almost surely, 2^4641805249 is an apocalyptic number.

It is an amenable number.

4641805249 is a deficient number, since it is larger than the sum of its proper divisors (157331).

4641805249 is a wasteful number, since it uses less digits than its factorization.

4641805249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157330.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 4641805249 is about 68130.7951590175. The cubic root of 4641805249 is about 1668.1264620163.

The spelling of 4641805249 in words is "four billion, six hundred forty-one million, eight hundred five thousand, two hundred forty-nine".