6451879453 has 2 divisors, whose sum is σ = 6451879454. Its totient is φ = 6451879452.

The previous prime is 6451879409. The next prime is 6451879459. The reversal of 6451879453 is 3549781546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6240526009 + 211353444 = 78997^2 + 14538^2 .

It is a cyclic number.

It is not a de Polignac number, because 6451879453 - 2²¹ = 6449782301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6451879453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6451879459) 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 as a sum of consecutive naturals, namely, 3225939726 + 3225939727.

It is an arithmetic number, because the mean of its divisors is an integer number (3225939727).

Almost surely, 2^6451879453 is an apocalyptic number.

It is an amenable number.

6451879453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451879453 is an equidigital number, since it uses as much as digits as its factorization.

6451879453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The square root of 6451879453 is about 80323.5921320754. The cubic root of 6451879453 is about 1861.6387697171.

The spelling of 6451879453 in words is "six billion, four hundred fifty-one million, eight hundred seventy-nine thousand, four hundred fifty-three".