4453250421 has 4 divisors (see below), whose sum is σ = 5937667232. Its totient is φ = 2968833612.

The previous prime is 4453250407. The next prime is 4453250437. The reversal of 4453250421 is 1240523544.

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 not a de Polignac number, because 4453250421 - 2¹⁸ = 4452988277 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 (4453255421) 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, 742208401 + ... + 742208406.

It is an arithmetic number, because the mean of its divisors is an integer number (1484416808).

Almost surely, 2^4453250421 is an apocalyptic number.

It is an amenable number.

4453250421 is a deficient number, since it is larger than the sum of its proper divisors (1484416811).

4453250421 is a wasteful number, since it uses less digits than its factorization.

4453250421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484416810.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4453250421 is about 66732.6788088115. The cubic root of 4453250421 is about 1645.2265367996.

Adding to 4453250421 its reverse (1240523544), we get a palindrome (5693773965).

The spelling of 4453250421 in words is "four billion, four hundred fifty-three million, two hundred fifty thousand, four hundred twenty-one".