13855740437 has 24 divisors (see below), whose sum is σ = 18189502560. Its totient is φ = 10424369760.

The previous prime is 13855740419. The next prime is 13855740461. The reversal of 13855740437 is 73404755831.

It is a happy number.

It is not a de Polignac number, because 13855740437 - 2²⁶ = 13788631573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13855740391 and 13855740400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855740487) 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 23 ways as a sum of consecutive naturals, for example, 427583 + ... + 458844.

It is an arithmetic number, because the mean of its divisors is an integer number (757895940).

Almost surely, 2^13855740437 is an apocalyptic number.

It is an amenable number.

13855740437 is a deficient number, since it is larger than the sum of its proper divisors (4333762123).

13855740437 is a wasteful number, since it uses less digits than its factorization.

13855740437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886481 (or 886474 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 13855740437 in words is "thirteen billion, eight hundred fifty-five million, seven hundred forty thousand, four hundred thirty-seven".