5072448921 has 8 divisors (see below), whose sum is σ = 6763600224. Its totient is φ = 3381465120.

The previous prime is 5072448919. The next prime is 5072449013. The reversal of 5072448921 is 1298442705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5072448921 - 2¹ = 5072448919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5072440921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76990 + ... + 126776.

It is an arithmetic number, because the mean of its divisors is an integer number (845450028).

Almost surely, 2^5072448921 is an apocalyptic number.

It is an amenable number.

5072448921 is a deficient number, since it is larger than the sum of its proper divisors (1691151303).

5072448921 is a wasteful number, since it uses less digits than its factorization.

5072448921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83751.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5072448921 is about 71221.1269287421. The cubic root of 5072448921 is about 1718.1954348710.

The spelling of 5072448921 in words is "five billion, seventy-two million, four hundred forty-eight thousand, nine hundred twenty-one".