421184013 has 8 divisors (see below), whose sum is σ = 565024608. Its totient is φ = 279066384.

The previous prime is 421184009. The next prime is 421184017. The reversal of 421184013 is 310481124.

It is an interprime number because it is at equal distance from previous prime (421184009) and next prime (421184017).

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

It is not a de Polignac number, because 421184013 - 2² = 421184009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421184017) 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, 430170 + ... + 431147.

It is an arithmetic number, because the mean of its divisors is an integer number (70628076).

Almost surely, 2^421184013 is an apocalyptic number.

It is an amenable number.

421184013 is a deficient number, since it is larger than the sum of its proper divisors (143840595).

421184013 is a wasteful number, since it uses less digits than its factorization.

421184013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861483.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 421184013 is about 20522.7681612398. The cubic root of 421184013 is about 749.5903024602.

The spelling of 421184013 in words is "four hundred twenty-one million, one hundred eighty-four thousand, thirteen".