1382361744465 has 24 divisors (see below), whose sum is σ = 2580408590760. Its totient is φ = 680547320064.

The previous prime is 1382361744457. The next prime is 1382361744493. The reversal of 1382361744465 is 5644471632831.

1382361744465 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 3 + 6 + 174 + 4 + 465 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 322019931024 + 1060341813441 = 567468^2 + 1029729^2 .

It is not a de Polignac number, because 1382361744465 - 2³ = 1382361744457 is a prime.

It is a Curzon 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, 1181505180 + ... + 1181506349.

It is an arithmetic number, because the mean of its divisors is an integer number (107517024615).

Almost surely, 2^{1382361744465} is an apocalyptic number.

1382361744465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382361744465 is a deficient number, since it is larger than the sum of its proper divisors (1198046846295).

1382361744465 is a wasteful number, since it uses less digits than its factorization.

1382361744465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363011553 (or 2363011550 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 1382361744465 in words is "one trillion, three hundred eighty-two billion, three hundred sixty-one million, seven hundred forty-four thousand, four hundred sixty-five".