1067889489 has 4 divisors (see below), whose sum is σ = 1423852656. Its totient is φ = 711926324.

The previous prime is 1067889481. The next prime is 1067889497. The reversal of 1067889489 is 9849887601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1067889481) and next prime (1067889497).

It is a cyclic number.

It is not a de Polignac number, because 1067889489 - 2³ = 1067889481 is a prime.

It is a super-2 number, since 2×1067889489² = 2280775921433362242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067889481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177981579 + ... + 177981584.

It is an arithmetic number, because the mean of its divisors is an integer number (355963164).

Almost surely, 2^1067889489 is an apocalyptic number.

It is an amenable number.

1067889489 is a deficient number, since it is larger than the sum of its proper divisors (355963167).

1067889489 is an equidigital number, since it uses as much as digits as its factorization.

1067889489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355963166.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The square root of 1067889489 is about 32678.5784421538. The cubic root of 1067889489 is about 1022.1362025395.

The spelling of 1067889489 in words is "one billion, sixty-seven million, eight hundred eighty-nine thousand, four hundred eighty-nine".