1164428791 has 2 divisors, whose sum is σ = 1164428792. Its totient is φ = 1164428790.

The previous prime is 1164428761. The next prime is 1164428801. The reversal of 1164428791 is 1978244611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1164428791 - 2²³ = 1156040183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164428701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582214395 + 582214396.

It is an arithmetic number, because the mean of its divisors is an integer number (582214396).

Almost surely, 2^1164428791 is an apocalyptic number.

1164428791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164428791 is an equidigital number, since it uses as much as digits as its factorization.

1164428791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 1164428791 is about 34123.7276832412. The cubic root of 1164428791 is about 1052.0530627020.

The spelling of 1164428791 in words is "one billion, one hundred sixty-four million, four hundred twenty-eight thousand, seven hundred ninety-one".