1026447853 has 2 divisors, whose sum is σ = 1026447854. Its totient is φ = 1026447852.

The previous prime is 1026447701. The next prime is 1026447893. The reversal of 1026447853 is 3587446201.

It is an a-pointer prime, because the next prime (1026447893) can be obtained adding 1026447853 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809857764 + 216590089 = 28458^2 + 14717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026447853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026447893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513223926 + 513223927.

It is an arithmetic number, because the mean of its divisors is an integer number (513223927).

Almost surely, 2^1026447853 is an apocalyptic number.

It is an amenable number.

1026447853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026447853 is an equidigital number, since it uses as much as digits as its factorization.

1026447853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1026447853 is about 32038.2248727984. The cubic root of 1026447853 is about 1008.7393522295.

The spelling of 1026447853 in words is "one billion, twenty-six million, four hundred forty-seven thousand, eight hundred fifty-three".