4021013453 has 4 divisors (see below), whose sum is σ = 4232645760. Its totient is φ = 3809381148.

The previous prime is 4021013449. The next prime is 4021013483. The reversal of 4021013453 is 3543101204.

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 4021013453 - 2² = 4021013449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021013413) 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, 105816125 + ... + 105816162.

It is an arithmetic number, because the mean of its divisors is an integer number (1058161440).

Almost surely, 2^4021013453 is an apocalyptic number.

It is an amenable number.

4021013453 is a deficient number, since it is larger than the sum of its proper divisors (211632307).

4021013453 is a wasteful number, since it uses less digits than its factorization.

4021013453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211632306.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4021013453 is about 63411.4615270773. The cubic root of 4021013453 is about 1590.1759299285.

Adding to 4021013453 its reverse (3543101204), we get a palindrome (7564114657).

The spelling of 4021013453 in words is "four billion, twenty-one million, thirteen thousand, four hundred fifty-three".