4021389253 has 32 divisors (see below), whose sum is σ = 5098443264. Its totient is φ = 3090481152.

The previous prime is 4021389227. The next prime is 4021389263. The reversal of 4021389253 is 3529831204.

It is a cyclic number.

It is not a de Polignac number, because 4021389253 - 2¹⁷ = 4021258181 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 (4021389263) 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 31 ways as a sum of consecutive naturals, for example, 700551 + ... + 706267.

It is an arithmetic number, because the mean of its divisors is an integer number (159326352).

Almost surely, 2^4021389253 is an apocalyptic number.

It is an amenable number.

4021389253 is a deficient number, since it is larger than the sum of its proper divisors (1077054011).

4021389253 is a wasteful number, since it uses less digits than its factorization.

4021389253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4021389253 is about 63414.4246445554. The cubic root of 4021389253 is about 1590.2254671497.

The spelling of 4021389253 in words is "four billion, twenty-one million, three hundred eighty-nine thousand, two hundred fifty-three".