1147663613 has 2 divisors, whose sum is σ = 1147663614. Its totient is φ = 1147663612.

The previous prime is 1147663597. The next prime is 1147663619. The reversal of 1147663613 is 3163667411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093095844 + 54567769 = 33062^2 + 7387^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147663613 - 2⁴ = 1147663597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147663619) 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, 573831806 + 573831807.

It is an arithmetic number, because the mean of its divisors is an integer number (573831807).

Almost surely, 2^1147663613 is an apocalyptic number.

It is an amenable number.

1147663613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147663613 is an equidigital number, since it uses as much as digits as its factorization.

1147663613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 1147663613 is about 33877.1842543031. The cubic root of 1147663613 is about 1046.9795625007.

The spelling of 1147663613 in words is "one billion, one hundred forty-seven million, six hundred sixty-three thousand, six hundred thirteen".