6455444413 has 4 divisors (see below), whose sum is σ = 7042303008. Its totient is φ = 5868585820.

The previous prime is 6455444267. The next prime is 6455444423. The reversal of 6455444413 is 3144445546.

It is a happy number.

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 6455444413 - 2⁹ = 6455443901 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 (6455444423) 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, 293429281 + ... + 293429302.

It is an arithmetic number, because the mean of its divisors is an integer number (1760575752).

Almost surely, 2^6455444413 is an apocalyptic number.

It is an amenable number.

6455444413 is a deficient number, since it is larger than the sum of its proper divisors (586858595).

6455444413 is a wasteful number, since it uses less digits than its factorization.

6455444413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586858594.

The product of its digits is 460800, while the sum is 40.

The square root of 6455444413 is about 80345.7803061244. The cubic root of 6455444413 is about 1861.9815869182.

Adding to 6455444413 its reverse (3144445546), we get a palindrome (9599889959).

The spelling of 6455444413 in words is "six billion, four hundred fifty-five million, four hundred forty-four thousand, four hundred thirteen".