1154928913 has 2 divisors, whose sum is σ = 1154928914. Its totient is φ = 1154928912.

The previous prime is 1154928893. The next prime is 1154928947. The reversal of 1154928913 is 3198294511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949379344 + 205549569 = 30812^2 + 14337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154928913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1154928913.

It is not a weakly prime, because it can be changed into another prime (1154928113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577464456 + 577464457.

It is an arithmetic number, because the mean of its divisors is an integer number (577464457).

Almost surely, 2^1154928913 is an apocalyptic number.

It is an amenable number.

1154928913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154928913 is an equidigital number, since it uses as much as digits as its factorization.

1154928913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 1154928913 is about 33984.2450703263. The cubic root of 1154928913 is about 1049.1842229001.

The spelling of 1154928913 in words is "one billion, one hundred fifty-four million, nine hundred twenty-eight thousand, nine hundred thirteen".