1168627969 has 2 divisors, whose sum is σ = 1168627970. Its totient is φ = 1168627968.

The previous prime is 1168627937. The next prime is 1168627973. The reversal of 1168627969 is 9697268611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921729600 + 246898369 = 30360^2 + 15713^2 .

It is an emirp because it is prime and its reverse (9697268611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1168627969 - 2⁵ = 1168627937 is a prime.

It is a super-2 number, since 2×1168627969² = 2731382659858129922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1168627909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584313984 + 584313985.

It is an arithmetic number, because the mean of its divisors is an integer number (584313985).

Almost surely, 2^1168627969 is an apocalyptic number.

It is an amenable number.

1168627969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168627969 is an equidigital number, since it uses as much as digits as its factorization.

1168627969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 55.

The square root of 1168627969 is about 34185.2010232498. The cubic root of 1168627969 is about 1053.3161879542.

The spelling of 1168627969 in words is "one billion, one hundred sixty-eight million, six hundred twenty-seven thousand, nine hundred sixty-nine".