4661521244 has 24 divisors (see below), whose sum is σ = 8642522448. Its totient is φ = 2192387840.

The previous prime is 4661521211. The next prime is 4661521273. The reversal of 4661521244 is 4421251664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104222 + ... + 142074.

It is an arithmetic number, because the mean of its divisors is an integer number (360105102).

Almost surely, 2^4661521244 is an apocalyptic number.

It is an amenable number.

4661521244 is a deficient number, since it is larger than the sum of its proper divisors (3981001204).

4661521244 is a wasteful number, since it uses less digits than its factorization.

4661521244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39685 (or 39683 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 4661521244 is about 68275.3340819362. The cubic root of 4661521244 is about 1670.4849063387.

The spelling of 4661521244 in words is "four billion, six hundred sixty-one million, five hundred twenty-one thousand, two hundred forty-four".