1151544349 has 2 divisors, whose sum is σ = 1151544350. Its totient is φ = 1151544348.

The previous prime is 1151544337. The next prime is 1151544371. The reversal of 1151544349 is 9434451511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618765625 + 532778724 = 24875^2 + 23082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151544349 - 2⁷ = 1151544221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151544049) 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, 575772174 + 575772175.

It is an arithmetic number, because the mean of its divisors is an integer number (575772175).

Almost surely, 2^1151544349 is an apocalyptic number.

It is an amenable number.

1151544349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151544349 is an equidigital number, since it uses as much as digits as its factorization.

1151544349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 1151544349 is about 33934.4124599204. The cubic root of 1151544349 is about 1048.1583284114.

The spelling of 1151544349 in words is "one billion, one hundred fifty-one million, five hundred forty-four thousand, three hundred forty-nine".