421113549 has 8 divisors (see below), whose sum is σ = 591036640. Its totient is φ = 265966416.

The previous prime is 421113547. The next prime is 421113599. The reversal of 421113549 is 945311124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421113549 - 2¹ = 421113547 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 (421113547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693922 + ... + 3694035.

It is an arithmetic number, because the mean of its divisors is an integer number (73879580).

Almost surely, 2^421113549 is an apocalyptic number.

It is an amenable number.

421113549 is a deficient number, since it is larger than the sum of its proper divisors (169923091).

421113549 is a wasteful number, since it uses less digits than its factorization.

421113549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387979.

The product of its digits is 4320, while the sum is 30.

The square root of 421113549 is about 20521.0513619551. The cubic root of 421113549 is about 749.5484980269.

The spelling of 421113549 in words is "four hundred twenty-one million, one hundred thirteen thousand, five hundred forty-nine".