13421550541 has 16 divisors (see below), whose sum is σ = 16335108864. Its totient is φ = 10764866304.

The previous prime is 13421550529. The next prime is 13421550557. The reversal of 13421550541 is 14505512431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13421550541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421550841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305385 + ... + 346558.

It is an arithmetic number, because the mean of its divisors is an integer number (1020944304).

Almost surely, 2^13421550541 is an apocalyptic number.

It is an amenable number.

13421550541 is a deficient number, since it is larger than the sum of its proper divisors (2913558323).

13421550541 is a wasteful number, since it uses less digits than its factorization.

13421550541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652140.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 13421550541 in words is "thirteen billion, four hundred twenty-one million, five hundred fifty thousand, five hundred forty-one".