6454435551853 has 4 divisors (see below), whose sum is σ = 6471739668988. Its totient is φ = 6437131434720.

The previous prime is 6454435551841. The next prime is 6454435551887. The reversal of 6454435551853 is 3581555344546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1875357696969 + 4579077854884 = 1369437^2 + 2139878^2 .

It is a cyclic number.

It is not a de Polignac number, because 6454435551853 - 2²⁹ = 6453898680941 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 (6454435555853) 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, 8652058008 + ... + 8652058753.

It is an arithmetic number, because the mean of its divisors is an integer number (1617934917247).

Almost surely, 2^{6454435551853} is an apocalyptic number.

It is an amenable number.

6454435551853 is a deficient number, since it is larger than the sum of its proper divisors (17304117135).

6454435551853 is a wasteful number, since it uses less digits than its factorization.

6454435551853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304117134.

The product of its digits is 86400000, while the sum is 58.

The spelling of 6454435551853 in words is "six trillion, four hundred fifty-four billion, four hundred thirty-five million, five hundred fifty-one thousand, eight hundred fifty-three".