421959113 has 8 divisors (see below), whose sum is σ = 426781056. Its totient is φ = 417150000.

The previous prime is 421959107. The next prime is 421959119. The reversal of 421959113 is 311959124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421959107) and next prime (421959119).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421959113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421959119) 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, 73070 + ... + 78632.

It is an arithmetic number, because the mean of its divisors is an integer number (53347632).

Almost surely, 2^421959113 is an apocalyptic number.

It is an amenable number.

421959113 is a deficient number, since it is larger than the sum of its proper divisors (4821943).

421959113 is a wasteful number, since it uses less digits than its factorization.

421959113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415.

The product of its digits is 9720, while the sum is 35.

The square root of 421959113 is about 20541.6433860585. The cubic root of 421959113 is about 750.0498414284.

The spelling of 421959113 in words is "four hundred twenty-one million, nine hundred fifty-nine thousand, one hundred thirteen".