1067331389 has 2 divisors, whose sum is σ = 1067331390. Its totient is φ = 1067331388.

The previous prime is 1067331361. The next prime is 1067331407. The reversal of 1067331389 is 9831337601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838565764 + 228765625 = 28958^2 + 15125^2 .

It is an emirp because it is prime and its reverse (9831337601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1067331389 - 2²⁰ = 1066282813 is a prime.

It is a super-2 number, since 2×1067331389² = 2278392587889338642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067331589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533665694 + 533665695.

It is an arithmetic number, because the mean of its divisors is an integer number (533665695).

Almost surely, 2^1067331389 is an apocalyptic number.

It is an amenable number.

1067331389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067331389 is an equidigital number, since it uses as much as digits as its factorization.

1067331389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1067331389 is about 32670.0380930295. The cubic root of 1067331389 is about 1021.9581086992.

The spelling of 1067331389 in words is "one billion, sixty-seven million, three hundred thirty-one thousand, three hundred eighty-nine".