1141379489 has 2 divisors, whose sum is σ = 1141379490. Its totient is φ = 1141379488.

The previous prime is 1141379467. The next prime is 1141379497. The reversal of 1141379489 is 9849731411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972379489 + 169000000 = 31183^2 + 13000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141379489 - 2⁸ = 1141379233 is a prime.

It is a super-2 number, since 2×1141379489² = 2605494275819802242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1141379089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570689744 + 570689745.

It is an arithmetic number, because the mean of its divisors is an integer number (570689745).

Almost surely, 2^1141379489 is an apocalyptic number.

It is an amenable number.

1141379489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141379489 is an equidigital number, since it uses as much as digits as its factorization.

1141379489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 47.

The square root of 1141379489 is about 33784.3083250198. The cubic root of 1141379489 is about 1045.0651238765.

The spelling of 1141379489 in words is "one billion, one hundred forty-one million, three hundred seventy-nine thousand, four hundred eighty-nine".