48250621021 has 4 divisors (see below), whose sum is σ = 48728350044. Its totient is φ = 47772892000.

The previous prime is 48250621009. The next prime is 48250621031. The reversal of 48250621021 is 12012605284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37118260921 + 11132360100 = 192661^2 + 105510^2 .

It is a cyclic number.

It is not a de Polignac number, because 48250621021 - 2⁷ = 48250620893 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 (48250621031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238864360 + ... + 238864561.

It is an arithmetic number, because the mean of its divisors is an integer number (12182087511).

Almost surely, 2^48250621021 is an apocalyptic number.

It is an amenable number.

48250621021 is a deficient number, since it is larger than the sum of its proper divisors (477729023).

48250621021 is a wasteful number, since it uses less digits than its factorization.

48250621021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477729022.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 48250621021 in words is "forty-eight billion, two hundred fifty million, six hundred twenty-one thousand, twenty-one".