6858740453 has 2 divisors, whose sum is σ = 6858740454. Its totient is φ = 6858740452.

The previous prime is 6858740437. The next prime is 6858740459. The reversal of 6858740453 is 3540478586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5374795969 + 1483944484 = 73313^2 + 38522^2 .

It is a cyclic number.

It is not a de Polignac number, because 6858740453 - 2⁴ = 6858740437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6858740459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429370226 + 3429370227.

It is an arithmetic number, because the mean of its divisors is an integer number (3429370227).

Almost surely, 2^6858740453 is an apocalyptic number.

It is an amenable number.

6858740453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6858740453 is an equidigital number, since it uses as much as digits as its factorization.

6858740453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The square root of 6858740453 is about 82817.5129607259. The cubic root of 6858740453 is about 1899.9760341391.

The spelling of 6858740453 in words is "six billion, eight hundred fifty-eight million, seven hundred forty thousand, four hundred fifty-three".