4940453221 has 4 divisors (see below), whose sum is σ = 5389585344. Its totient is φ = 4491321100.

The previous prime is 4940453213. The next prime is 4940453261. The reversal of 4940453221 is 1223540494.

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 4940453221 - 2³ = 4940453213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4940453201) 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, 224566045 + ... + 224566066.

It is an arithmetic number, because the mean of its divisors is an integer number (1347396336).

Almost surely, 2^4940453221 is an apocalyptic number.

It is an amenable number.

4940453221 is a deficient number, since it is larger than the sum of its proper divisors (449132123).

4940453221 is a wasteful number, since it uses less digits than its factorization.

4940453221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449132122.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4940453221 is about 70288.3576490446. The cubic root of 4940453221 is about 1703.1605817894.

The spelling of 4940453221 in words is "four billion, nine hundred forty million, four hundred fifty-three thousand, two hundred twenty-one".