1383873005 has 4 divisors (see below), whose sum is σ = 1660647612. Its totient is φ = 1107098400.

The previous prime is 1383872969. The next prime is 1383873017. The reversal of 1383873005 is 5003783831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1035938596 + 347934409 = 32186^2 + 18653^2 .

It is not a de Polignac number, because 1383873005 - 2¹⁸ = 1383610861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383873005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138387296 + ... + 138387305.

It is an arithmetic number, because the mean of its divisors is an integer number (415161903).

Almost surely, 2^1383873005 is an apocalyptic number.

It is an amenable number.

1383873005 is a deficient number, since it is larger than the sum of its proper divisors (276774607).

1383873005 is an equidigital number, since it uses as much as digits as its factorization.

1383873005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276774606.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1383873005 is about 37200.4436129463. The cubic root of 1383873005 is about 1114.3768441757.

The spelling of 1383873005 in words is "one billion, three hundred eighty-three million, eight hundred seventy-three thousand, five".