4661438533 has 4 divisors (see below), whose sum is σ = 4663986208. Its totient is φ = 4658890860.

The previous prime is 4661438479. The next prime is 4661438567. The reversal of 4661438533 is 3358341664.

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-4661438533 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 4661438533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661438633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1271091 + ... + 1274752.

It is an arithmetic number, because the mean of its divisors is an integer number (1165996552).

Almost surely, 2^4661438533 is an apocalyptic number.

It is an amenable number.

4661438533 is a deficient number, since it is larger than the sum of its proper divisors (2547675).

4661438533 is a wasteful number, since it uses less digits than its factorization.

4661438533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547674.

The product of its digits is 622080, while the sum is 43.

The square root of 4661438533 is about 68274.7283626965. The cubic root of 4661438533 is about 1670.4750262811.

The spelling of 4661438533 in words is "four billion, six hundred sixty-one million, four hundred thirty-eight thousand, five hundred thirty-three".