1383619756550 has 48 divisors (see below), whose sum is σ = 2709229723200. Its totient is φ = 524271088800.

The previous prime is 1383619756549. The next prime is 1383619756573. The reversal of 1383619756550 is 556579163831.

It is a self number, because there is not a number n which added to its sum of digits gives 1383619756550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11349821 + ... + 11471079.

It is an arithmetic number, because the mean of its divisors is an integer number (56442285900).

Almost surely, 2^{1383619756550} is an apocalyptic number.

1383619756550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1383619756550 is a deficient number, since it is larger than the sum of its proper divisors (1325609966650).

1383619756550 is a wasteful number, since it uses less digits than its factorization.

1383619756550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133301 (or 133296 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 59.

The spelling of 1383619756550 in words is "one trillion, three hundred eighty-three billion, six hundred nineteen million, seven hundred fifty-six thousand, five hundred fifty".