14540938549 has 4 divisors (see below), whose sum is σ = 14543285920. Its totient is φ = 14538591180.

The previous prime is 14540938541. The next prime is 14540938567. The reversal of 14540938549 is 94583904541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14540938549 - 2³ = 14540938541 is a prime.

It is a super-2 number, since 2×14540938549² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14540938496 and 14540938505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540938541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164369 + ... + 1176790.

It is an arithmetic number, because the mean of its divisors is an integer number (3635821480).

Almost surely, 2^14540938549 is an apocalyptic number.

It is an amenable number.

14540938549 is a deficient number, since it is larger than the sum of its proper divisors (2347371).

14540938549 is an equidigital number, since it uses as much as digits as its factorization.

14540938549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347370.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 14540938549 in words is "fourteen billion, five hundred forty million, nine hundred thirty-eight thousand, five hundred forty-nine".