13928603541 has 4 divisors (see below), whose sum is σ = 18571471392. Its totient is φ = 9285735692.

The previous prime is 13928603539. The next prime is 13928603561. The reversal of 13928603541 is 14530682931.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14530682931 = 3 ⋅4843560977.

It is a cyclic number.

It is not a de Polignac number, because 13928603541 - 2¹ = 13928603539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13928603493 and 13928603502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928603561) 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, 2321433921 + ... + 2321433926.

It is an arithmetic number, because the mean of its divisors is an integer number (4642867848).

Almost surely, 2^13928603541 is an apocalyptic number.

It is an amenable number.

13928603541 is a deficient number, since it is larger than the sum of its proper divisors (4642867851).

13928603541 is an equidigital number, since it uses as much as digits as its factorization.

13928603541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642867850.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 13928603541 in words is "thirteen billion, nine hundred twenty-eight million, six hundred three thousand, five hundred forty-one".