13870733744745 has 32 divisors (see below), whose sum is σ = 24659848684800. Its totient is φ = 7397494722432.

The previous prime is 13870733744741. The next prime is 13870733744767. The reversal of 13870733744745 is 54744733707831.

13870733744745 is a `hidden beast` number, since 1 + 3 + 87 + 0 + 73 + 3 + 7 + 447 + 45 = 666.

It is not a de Polignac number, because 13870733744745 - 2² = 13870733744741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13870733744741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2807341 + ... + 5968469.

It is an arithmetic number, because the mean of its divisors is an integer number (770620271400).

Almost surely, 2^{13870733744745} is an apocalyptic number.

13870733744745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13870733744745 is a deficient number, since it is larger than the sum of its proper divisors (10789114940055).

13870733744745 is a wasteful number, since it uses less digits than its factorization.

13870733744745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193646 (or 3193640 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 63.

The spelling of 13870733744745 in words is "thirteen trillion, eight hundred seventy billion, seven hundred thirty-three million, seven hundred forty-four thousand, seven hundred forty-five".