13969744293 has 16 divisors (see below), whose sum is σ = 19299435840. Its totient is φ = 8982564864.

The previous prime is 13969744273. The next prime is 13969744361. The reversal of 13969744293 is 39244796931.

It is a happy number.

It is not a de Polignac number, because 13969744293 - 2¹⁰ = 13969743269 is a prime.

It is a super-2 number, since 2×13969744293² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13969744213) 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, 735196 + ... + 753957.

It is an arithmetic number, because the mean of its divisors is an integer number (1206214740).

Almost surely, 2^13969744293 is an apocalyptic number.

It is an amenable number.

13969744293 is a deficient number, since it is larger than the sum of its proper divisors (5329691547).

13969744293 is a wasteful number, since it uses less digits than its factorization.

13969744293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489268.

The product of its digits is 8817984, while the sum is 57.

The spelling of 13969744293 in words is "thirteen billion, nine hundred sixty-nine million, seven hundred forty-four thousand, two hundred ninety-three".