1383444087601 has 9 divisors (see below), whose sum is σ = 1387169689003. Its totient is φ = 1379728474960.

The previous prime is 1383444087593. The next prime is 1383444087629. The reversal of 1383444087601 is 1067804443831.

The square root of 1383444087601 is 1176199.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1333214313201 + 50229774400 = 1154649^2 + 224120^2 .

It is not a de Polignac number, because 1383444087601 - 2³ = 1383444087593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383444087001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 506940405 + ... + 506943133.

Almost surely, 2^{1383444087601} is an apocalyptic number.

1383444087601 is the 1176199-th square number.

1383444087601 is the 588100-th centered octagonal number.

It is an amenable number.

1383444087601 is a deficient number, since it is larger than the sum of its proper divisors (3725601402).

1383444087601 is an frugal number, since it uses more digits than its factorization.

1383444087601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

Multiplying 1383444087601 by its sum of digits (49), we get a square (67788760292449 = 8233393²).

The spelling of 1383444087601 in words is "one trillion, three hundred eighty-three billion, four hundred forty-four million, eighty-seven thousand, six hundred one".