421010013 has 8 divisors (see below), whose sum is σ = 576518368. Its totient is φ = 273087504.

The previous prime is 421010003. The next prime is 421010041. The reversal of 421010013 is 310010124.

It is a happy number.

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

It is not a de Polignac number, because 421010013 - 2²² = 416815709 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 (421010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896331 + ... + 1896552.

It is an arithmetic number, because the mean of its divisors is an integer number (72064796).

Almost surely, 2^421010013 is an apocalyptic number.

It is an amenable number.

421010013 is a deficient number, since it is larger than the sum of its proper divisors (155508355).

421010013 is a wasteful number, since it uses less digits than its factorization.

421010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792923.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 421010013 is about 20518.5285291124. The cubic root of 421010013 is about 749.4870643872.

Adding to 421010013 its reverse (310010124), we get a palindrome (731020137).

The spelling of 421010013 in words is "four hundred twenty-one million, ten thousand, thirteen".