13978757841 has 16 divisors (see below), whose sum is σ = 20069208000. Its totient is φ = 8622322688.

The previous prime is 13978757753. The next prime is 13978757851. The reversal of 13978757841 is 14875787931.

It is a cyclic number.

It is not a de Polignac number, because 13978757841 - 2¹⁹ = 13978233553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13978757851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319816 + ... + 2325833.

It is an arithmetic number, because the mean of its divisors is an integer number (1254325500).

Almost surely, 2^13978757841 is an apocalyptic number.

It is an amenable number.

13978757841 is a deficient number, since it is larger than the sum of its proper divisors (6090450159).

13978757841 is a wasteful number, since it uses less digits than its factorization.

13978757841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645728.

The product of its digits is 11854080, while the sum is 60.

The spelling of 13978757841 in words is "thirteen billion, nine hundred seventy-eight million, seven hundred fifty-seven thousand, eight hundred forty-one".