1388578483 has 4 divisors (see below), whose sum is σ = 1401555960. Its totient is φ = 1375601008.

The previous prime is 1388578469. The next prime is 1388578487. The reversal of 1388578483 is 3848758831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3848758831 = 1753 ⋅2195527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1388578483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1388578487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6488578 + ... + 6488791.

It is an arithmetic number, because the mean of its divisors is an integer number (350388990).

Almost surely, 2^1388578483 is an apocalyptic number.

1388578483 is a deficient number, since it is larger than the sum of its proper divisors (12977477).

1388578483 is a wasteful number, since it uses less digits than its factorization.

1388578483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977476.

The product of its digits is 5160960, while the sum is 55.

The square root of 1388578483 is about 37263.6348602763. The cubic root of 1388578483 is about 1115.6384589054.

The spelling of 1388578483 in words is "one billion, three hundred eighty-eight million, five hundred seventy-eight thousand, four hundred eighty-three".