13755470421 has 64 divisors (see below), whose sum is σ = 23145357312. Its totient is φ = 7059000000.

The previous prime is 13755470419. The next prime is 13755470483. The reversal of 13755470421 is 12407455731.

It is not a de Polignac number, because 13755470421 - 2¹ = 13755470419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13755470421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755470411) 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 63 ways as a sum of consecutive naturals, for example, 7594606 + ... + 7596416.

It is an arithmetic number, because the mean of its divisors is an integer number (361646208).

Almost surely, 2^13755470421 is an apocalyptic number.

13755470421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13755470421 is a deficient number, since it is larger than the sum of its proper divisors (9389886891).

13755470421 is a wasteful number, since it uses less digits than its factorization.

13755470421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 13755470421 in words is "thirteen billion, seven hundred fifty-five million, four hundred seventy thousand, four hundred twenty-one".