4106545421 has 4 divisors (see below), whose sum is σ = 4479867744. Its totient is φ = 3733223100.

The previous prime is 4106545409. The next prime is 4106545423. The reversal of 4106545421 is 1245456014.

4106545421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4106545421 - 2¹⁸ = 4106283277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4106545423) 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, 186661145 + ... + 186661166.

It is an arithmetic number, because the mean of its divisors is an integer number (1119966936).

Almost surely, 2^4106545421 is an apocalyptic number.

It is an amenable number.

4106545421 is a deficient number, since it is larger than the sum of its proper divisors (373322323).

4106545421 is a wasteful number, since it uses less digits than its factorization.

4106545421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373322322.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4106545421 is about 64082.3331426065. Note that the first 3 decimals coincide. The cubic root of 4106545421 is about 1601.3719249951.

The spelling of 4106545421 in words is "four billion, one hundred six million, five hundred forty-five thousand, four hundred twenty-one".