1118969377 has 2 divisors, whose sum is σ = 1118969378. Its totient is φ = 1118969376.

The previous prime is 1118969347. The next prime is 1118969407. The reversal of 1118969377 is 7739698111.

It is a balanced prime because it is at equal distance from previous prime (1118969347) and next prime (1118969407).

It can be written as a sum of positive squares in only one way, i.e., 998496801 + 120472576 = 31599^2 + 10976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118969377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118969317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559484688 + 559484689.

It is an arithmetic number, because the mean of its divisors is an integer number (559484689).

Almost surely, 2^1118969377 is an apocalyptic number.

It is an amenable number.

1118969377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118969377 is an equidigital number, since it uses as much as digits as its factorization.

1118969377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 52.

The square root of 1118969377 is about 33450.9996412663. Note that the first 3 decimals coincide. The cubic root of 1118969377 is about 1038.1801807172.

The spelling of 1118969377 in words is "one billion, one hundred eighteen million, nine hundred sixty-nine thousand, three hundred seventy-seven".