1141309849 has 2 divisors, whose sum is σ = 1141309850. Its totient is φ = 1141309848.

The previous prime is 1141309837. The next prime is 1141309853. The reversal of 1141309849 is 9489031411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093492624 + 47817225 = 33068^2 + 6915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141309849 - 2⁷ = 1141309721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141309889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570654924 + 570654925.

It is an arithmetic number, because the mean of its divisors is an integer number (570654925).

Almost surely, 2^1141309849 is an apocalyptic number.

It is an amenable number.

1141309849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141309849 is an equidigital number, since it uses as much as digits as its factorization.

1141309849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1141309849 is about 33783.2776533006. The cubic root of 1141309849 is about 1045.0438689489.

The spelling of 1141309849 in words is "one billion, one hundred forty-one million, three hundred nine thousand, eight hundred forty-nine".