1438032069 has 32 divisors (see below), whose sum is σ = 2179837440. Its totient is φ = 936527616.

The previous prime is 1438032067. The next prime is 1438032103. The reversal of 1438032069 is 9602308341.

It is not a de Polignac number, because 1438032069 - 2¹ = 1438032067 is a prime.

It is a super-2 number, since 2×1438032069² = 4135872462944841522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438032067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1310329 + ... + 1311425.

It is an arithmetic number, because the mean of its divisors is an integer number (68119920).

Almost surely, 2^1438032069 is an apocalyptic number.

It is an amenable number.

1438032069 is a deficient number, since it is larger than the sum of its proper divisors (741805371).

1438032069 is a wasteful number, since it uses less digits than its factorization.

1438032069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1438032069 is about 37921.3932892767. The cubic root of 1438032069 is about 1128.7285851502.

The spelling of 1438032069 in words is "one billion, four hundred thirty-eight million, thirty-two thousand, sixty-nine".