48640860221 has 4 divisors (see below), whose sum is σ = 48641452992. Its totient is φ = 48640267452.

The previous prime is 48640860197. The next prime is 48640860251. The reversal of 48640860221 is 12206804684.

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 48640860221 - 2⁶ = 48640860157 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 (48640860251) 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, 148805 + ... + 345578.

It is an arithmetic number, because the mean of its divisors is an integer number (12160363248).

Almost surely, 2^48640860221 is an apocalyptic number.

It is an amenable number.

48640860221 is a deficient number, since it is larger than the sum of its proper divisors (592771).

48640860221 is an equidigital number, since it uses as much as digits as its factorization.

48640860221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592770.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 48640860221 in words is "forty-eight billion, six hundred forty million, eight hundred sixty thousand, two hundred twenty-one".