4052359021 has 4 divisors (see below), whose sum is σ = 4059456544. Its totient is φ = 4045261500.

The previous prime is 4052359013. The next prime is 4052359027. The reversal of 4052359021 is 1209532504.

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 4052359021 - 2³ = 4052359013 is a prime.

It is a super-2 number, since 2×4052359021² = 32843227270160156882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052359027) 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, 3547905 + ... + 3549046.

It is an arithmetic number, because the mean of its divisors is an integer number (1014864136).

Almost surely, 2^4052359021 is an apocalyptic number.

It is an amenable number.

4052359021 is a deficient number, since it is larger than the sum of its proper divisors (7097523).

4052359021 is an equidigital number, since it uses as much as digits as its factorization.

4052359021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097522.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 4052359021 is about 63658.1418280490. The cubic root of 4052359021 is about 1594.2972793685.

The spelling of 4052359021 in words is "four billion, fifty-two million, three hundred fifty-nine thousand, twenty-one".