6465436453 has 4 divisors (see below), whose sum is σ = 7389070240. Its totient is φ = 5541802668.

The previous prime is 6465436423. The next prime is 6465436457. The reversal of 6465436453 is 3546345646.

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 6465436453 - 2¹³ = 6465428261 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 (6465436457) 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, 461816883 + ... + 461816896.

It is an arithmetic number, because the mean of its divisors is an integer number (1847267560).

Almost surely, 2^6465436453 is an apocalyptic number.

It is an amenable number.

6465436453 is a deficient number, since it is larger than the sum of its proper divisors (923633787).

6465436453 is an equidigital number, since it uses as much as digits as its factorization.

6465436453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923633786.

The product of its digits is 3110400, while the sum is 46.

The square root of 6465436453 is about 80407.9377487074. The cubic root of 6465436453 is about 1862.9417791903.

The spelling of 6465436453 in words is "six billion, four hundred sixty-five million, four hundred thirty-six thousand, four hundred fifty-three".