13961419745 has 64 divisors (see below), whose sum is σ = 21865406976. Its totient is φ = 8304906240.

The previous prime is 13961419741. The next prime is 13961419751. The reversal of 13961419745 is 54791416931.

It is not a de Polignac number, because 13961419745 - 2² = 13961419741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13961419693 and 13961419702.

It is not an unprimeable number, because it can be changed into a prime (13961419741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10108955 + ... + 10110335.

It is an arithmetic number, because the mean of its divisors is an integer number (341646984).

Almost surely, 2^13961419745 is an apocalyptic number.

It is an amenable number.

13961419745 is a deficient number, since it is larger than the sum of its proper divisors (7903987231).

13961419745 is a wasteful number, since it uses less digits than its factorization.

13961419745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its digits is 816480, while the sum is 50.

The spelling of 13961419745 in words is "thirteen billion, nine hundred sixty-one million, four hundred nineteen thousand, seven hundred forty-five".