1147916669 has 2 divisors, whose sum is σ = 1147916670. Its totient is φ = 1147916668.

The previous prime is 1147916663. The next prime is 1147916677. The reversal of 1147916669 is 9666197411.

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., 1027202500 + 120714169 = 32050^2 + 10987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1147916669 is a prime.

It is a super-2 number, since 2×1147916669² = 2635425357936111122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147916663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573958334 + 573958335.

It is an arithmetic number, because the mean of its divisors is an integer number (573958335).

Almost surely, 2^1147916669 is an apocalyptic number.

It is an amenable number.

1147916669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147916669 is an equidigital number, since it uses as much as digits as its factorization.

1147916669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 1147916669 is about 33880.9189515279. The cubic root of 1147916669 is about 1047.0565086797.

The spelling of 1147916669 in words is "one billion, one hundred forty-seven million, nine hundred sixteen thousand, six hundred sixty-nine".