1164806869 has 2 divisors, whose sum is σ = 1164806870. Its totient is φ = 1164806868.

The previous prime is 1164806861. The next prime is 1164806873. The reversal of 1164806869 is 9686084611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032786769 + 132020100 = 32137^2 + 11490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164806869 - 2³ = 1164806861 is a prime.

It is a super-2 number, since 2×1164806869² = 2713550084139166322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164806861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582403434 + 582403435.

It is an arithmetic number, because the mean of its divisors is an integer number (582403435).

Almost surely, 2^1164806869 is an apocalyptic number.

It is an amenable number.

1164806869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164806869 is an equidigital number, since it uses as much as digits as its factorization.

1164806869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 1164806869 is about 34129.2670445763. The cubic root of 1164806869 is about 1052.1669139681.

The spelling of 1164806869 in words is "one billion, one hundred sixty-four million, eight hundred six thousand, eight hundred sixty-nine".