1168425569 has 2 divisors, whose sum is σ = 1168425570. Its totient is φ = 1168425568.

The previous prime is 1168425551. The next prime is 1168425613. The reversal of 1168425569 is 9655248611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859193344 + 309232225 = 29312^2 + 17585^2 .

It is an emirp because it is prime and its reverse (9655248611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168425569 is a prime.

It is a super-2 number, since 2×1168425569² = 2730436620585947522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1168425509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584212784 + 584212785.

It is an arithmetic number, because the mean of its divisors is an integer number (584212785).

Almost surely, 2^1168425569 is an apocalyptic number.

It is an amenable number.

1168425569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168425569 is an equidigital number, since it uses as much as digits as its factorization.

1168425569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 47.

The square root of 1168425569 is about 34182.2405497358. The cubic root of 1168425569 is about 1053.2553749007.

The spelling of 1168425569 in words is "one billion, one hundred sixty-eight million, four hundred twenty-five thousand, five hundred sixty-nine".