6445833840241 has 4 divisors (see below), whose sum is σ = 6455796489792. Its totient is φ = 6435871190692.

The previous prime is 6445833840169. The next prime is 6445833840263. The reversal of 6445833840241 is 1420483385446.

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 6445833840241 - 2⁷ = 6445833840113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6445333840241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4981323805 + ... + 4981325098.

It is an arithmetic number, because the mean of its divisors is an integer number (1613949122448).

Almost surely, 2^{6445833840241} is an apocalyptic number.

It is an amenable number.

6445833840241 is a deficient number, since it is larger than the sum of its proper divisors (9962649551).

6445833840241 is an equidigital number, since it uses as much as digits as its factorization.

6445833840241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962649550.

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 6445833840241 in words is "six trillion, four hundred forty-five billion, eight hundred thirty-three million, eight hundred forty thousand, two hundred forty-one".