421133352113 has 8 divisors (see below), whose sum is σ = 425877735240. Its totient is φ = 416389248000.

The previous prime is 421133352061. The next prime is 421133352127. The reversal of 421133352113 is 311253331124.

It can be written as a sum of positive squares in 4 ways, for example, as 167548592929 + 253584759184 = 409327^2 + 503572^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 421133352113 - 2¹² = 421133348017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421133352163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158613 + ... + 5239613.

It is an arithmetic number, because the mean of its divisors is an integer number (53234716905).

Almost surely, 2^421133352113 is an apocalyptic number.

It is an amenable number.

421133352113 is a deficient number, since it is larger than the sum of its proper divisors (4744383127).

421133352113 is an equidigital number, since it uses as much as digits as its factorization.

421133352113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139507.

The product of its digits is 6480, while the sum is 29.

Adding to 421133352113 its reverse (311253331124), we get a palindrome (732386683237).

The spelling of 421133352113 in words is "four hundred twenty-one billion, one hundred thirty-three million, three hundred fifty-two thousand, one hundred thirteen".