1383469639 has 8 divisors (see below), whose sum is σ = 1465177248. Its totient is φ = 1301798400.

The previous prime is 1383469613. The next prime is 1383469651. The reversal of 1383469639 is 9369643831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1383469639 - 2⁷ = 1383469511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383469609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131214 + ... + 141364.

It is an arithmetic number, because the mean of its divisors is an integer number (183147156).

Almost surely, 2^1383469639 is an apocalyptic number.

1383469639 is a deficient number, since it is larger than the sum of its proper divisors (81707609).

1383469639 is a wasteful number, since it uses less digits than its factorization.

1383469639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185.

The product of its digits is 2519424, while the sum is 52.

The square root of 1383469639 is about 37195.0216964583. The cubic root of 1383469639 is about 1114.2685622239.

The spelling of 1383469639 in words is "one billion, three hundred eighty-three million, four hundred sixty-nine thousand, six hundred thirty-nine".