6819456373 has 2 divisors, whose sum is σ = 6819456374. Its totient is φ = 6819456372.

The previous prime is 6819456361. The next prime is 6819456431. The reversal of 6819456373 is 3736549186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6025174884 + 794281489 = 77622^2 + 28183^2 .

It is a cyclic number.

It is not a de Polignac number, because 6819456373 - 2⁵ = 6819456341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6819456373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6819456073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409728186 + 3409728187.

It is an arithmetic number, because the mean of its divisors is an integer number (3409728187).

Almost surely, 2^6819456373 is an apocalyptic number.

It is an amenable number.

6819456373 is a deficient number, since it is larger than the sum of its proper divisors (1).

6819456373 is an equidigital number, since it uses as much as digits as its factorization.

6819456373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The square root of 6819456373 is about 82579.9998365222. Note that the first 3 decimals coincide. The cubic root of 6819456373 is about 1896.3416561521.

The spelling of 6819456373 in words is "six billion, eight hundred nineteen million, four hundred fifty-six thousand, three hundred seventy-three".