1067889481 has 2 divisors, whose sum is σ = 1067889482. Its totient is φ = 1067889480.

The previous prime is 1067889469. The next prime is 1067889497. The reversal of 1067889481 is 1849887601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954253881 + 113635600 = 30891^2 + 10660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067889481 - 2⁷ = 1067889353 is a prime.

It is a super-2 number, since 2×1067889481² = 2280775887260898722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1067889401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533944740 + 533944741.

It is an arithmetic number, because the mean of its divisors is an integer number (533944741).

Almost surely, 2^1067889481 is an apocalyptic number.

It is an amenable number.

1067889481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067889481 is an equidigital number, since it uses as much as digits as its factorization.

1067889481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 1067889481 is about 32678.5783197495. The cubic root of 1067889481 is about 1022.1361999871.

The spelling of 1067889481 in words is "one billion, sixty-seven million, eight hundred eighty-nine thousand, four hundred eighty-one".