1147718953 has 2 divisors, whose sum is σ = 1147718954. Its totient is φ = 1147718952.

The previous prime is 1147718941. The next prime is 1147718987. The reversal of 1147718953 is 3598177411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654745744 + 492973209 = 25588^2 + 22203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147718953 - 2⁹ = 1147718441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1147718933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573859476 + 573859477.

It is an arithmetic number, because the mean of its divisors is an integer number (573859477).

Almost surely, 2^1147718953 is an apocalyptic number.

It is an amenable number.

1147718953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147718953 is an equidigital number, since it uses as much as digits as its factorization.

1147718953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 46.

The square root of 1147718953 is about 33878.0010183600. The cubic root of 1147718953 is about 1046.9963905785.

The spelling of 1147718953 in words is "one billion, one hundred forty-seven million, seven hundred eighteen thousand, nine hundred fifty-three".