4872529621 has 4 divisors (see below), whose sum is σ = 4976200512. Its totient is φ = 4768858732.

The previous prime is 4872529619. The next prime is 4872529657. The reversal of 4872529621 is 1269252784.

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 not a de Polignac number, because 4872529621 - 2¹ = 4872529619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4872529601) 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, 51835375 + ... + 51835468.

It is an arithmetic number, because the mean of its divisors is an integer number (1244050128).

Almost surely, 2^4872529621 is an apocalyptic number.

It is an amenable number.

4872529621 is a deficient number, since it is larger than the sum of its proper divisors (103670891).

4872529621 is a wasteful number, since it uses less digits than its factorization.

4872529621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103670890.

The product of its digits is 483840, while the sum is 46.

The square root of 4872529621 is about 69803.5072256402. The cubic root of 4872529621 is about 1695.3192602070.

The spelling of 4872529621 in words is "four billion, eight hundred seventy-two million, five hundred twenty-nine thousand, six hundred twenty-one".