1383563328500 has 24 divisors (see below), whose sum is σ = 3021702310536. Its totient is φ = 553425331200.

The previous prime is 1383563328473. The next prime is 1383563328559. The reversal of 1383563328500 is 58233653831.

It can be written as a sum of positive squares in 4 ways, for example, as 13380964 + 1383549947536 = 3658^2 + 1176244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383562829 + ... + 1383563828.

It is an arithmetic number, because the mean of its divisors is an integer number (125904262939).

Almost surely, 2^{1383563328500} is an apocalyptic number.

1383563328500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383563328500 is an abundant number, since it is smaller than the sum of its proper divisors (1638138982036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383563328500 is a wasteful number, since it uses less digits than its factorization.

1383563328500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767126676 (or 2767126664 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 1383563328500 in words is "one trillion, three hundred eighty-three billion, five hundred sixty-three million, three hundred twenty-eight thousand, five hundred".