6452021843 has 4 divisors (see below), whose sum is σ = 6791601960. Its totient is φ = 6112441728.

The previous prime is 6452021831. The next prime is 6452021879. The reversal of 6452021843 is 3481202546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3481202546 = 2 ⋅1740601273.

It is a cyclic number.

It is not a de Polignac number, because 6452021843 - 2²² = 6447827539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6452021243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169790030 + ... + 169790067.

It is an arithmetic number, because the mean of its divisors is an integer number (1697900490).

Almost surely, 2^6452021843 is an apocalyptic number.

6452021843 is a deficient number, since it is larger than the sum of its proper divisors (339580117).

6452021843 is a wasteful number, since it uses less digits than its factorization.

6452021843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339580116.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 6452021843 is about 80324.4784794772. The cubic root of 6452021843 is about 1861.6524647856.

The spelling of 6452021843 in words is "six billion, four hundred fifty-two million, twenty-one thousand, eight hundred forty-three".