6465430453 has 4 divisors (see below), whose sum is σ = 6575014080. Its totient is φ = 6355846828.

The previous prime is 6465430441. The next prime is 6465430459. The reversal of 6465430453 is 3540345646.

It is a happy number.

6465430453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3540345646 = 2 ⋅1770172823.

It is a cyclic number.

It is not a de Polignac number, because 6465430453 - 2¹⁷ = 6465299381 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 (6465430459) 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, 54791725 + ... + 54791842.

It is an arithmetic number, because the mean of its divisors is an integer number (1643753520).

Almost surely, 2^6465430453 is an apocalyptic number.

It is an amenable number.

6465430453 is a deficient number, since it is larger than the sum of its proper divisors (109583627).

6465430453 is a wasteful number, since it uses less digits than its factorization.

6465430453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109583626.

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 6465430453 is about 80407.9004389494. The cubic root of 6465430453 is about 1862.9412029129.

The spelling of 6465430453 in words is "six billion, four hundred sixty-five million, four hundred thirty thousand, four hundred fifty-three".