1164951089 has 2 divisors, whose sum is σ = 1164951090. Its totient is φ = 1164951088.

The previous prime is 1164951049. The next prime is 1164951121. The reversal of 1164951089 is 9801594611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117230625 + 47720464 = 33425^2 + 6908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164951089 is a prime.

It is a super-2 number, since 2×1164951089² = 2714222079524571842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1164951049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582475544 + 582475545.

It is an arithmetic number, because the mean of its divisors is an integer number (582475545).

Almost surely, 2^1164951089 is an apocalyptic number.

It is an amenable number.

1164951089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164951089 is an equidigital number, since it uses as much as digits as its factorization.

1164951089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1164951089 is about 34131.3798285390. The cubic root of 1164951089 is about 1052.2103366888.

The spelling of 1164951089 in words is "one billion, one hundred sixty-four million, nine hundred fifty-one thousand, eighty-nine".