1153922849 has 2 divisors, whose sum is σ = 1153922850. Its totient is φ = 1153922848.

The previous prime is 1153922761. The next prime is 1153922863. The reversal of 1153922849 is 9482293511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1152127249 + 1795600 = 33943^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153922849 - 2⁸ = 1153922593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1153922149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576961424 + 576961425.

It is an arithmetic number, because the mean of its divisors is an integer number (576961425).

Almost surely, 2^1153922849 is an apocalyptic number.

It is an amenable number.

1153922849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153922849 is an equidigital number, since it uses as much as digits as its factorization.

1153922849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 1153922849 is about 33969.4399276762. The cubic root of 1153922849 is about 1048.8794846287.

The spelling of 1153922849 in words is "one billion, one hundred fifty-three million, nine hundred twenty-two thousand, eight hundred forty-nine".