1383688642 has 16 divisors (see below), whose sum is σ = 2496882240. Its totient is φ = 561798288.

The previous prime is 1383688609. The next prime is 1383688643. The reversal of 1383688642 is 2468863831.

It is not an unprimeable number, because it can be changed into a prime (1383688643) 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, 2600653 + ... + 2601184.

It is an arithmetic number, because the mean of its divisors is an integer number (156055140).

Almost surely, 2^1383688642 is an apocalyptic number.

1383688642 is a deficient number, since it is larger than the sum of its proper divisors (1113193598).

1383688642 is a wasteful number, since it uses less digits than its factorization.

1383688642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201865.

The product of its digits is 1327104, while the sum is 49.

The square root of 1383688642 is about 37197.9655626487. The cubic root of 1383688642 is about 1114.3273552940.

The spelling of 1383688642 in words is "one billion, three hundred eighty-three million, six hundred eighty-eight thousand, six hundred forty-two".