421312104134401 has 8 divisors (see below), whose sum is σ = 422325135916200. Its totient is φ = 420299404342272.

The previous prime is 421312104134381. The next prime is 421312104134407. The reversal of 421312104134401 is 104431401213124.

It can be written as a sum of positive squares in 4 ways, for example, as 48397344512400 + 372914759622001 = 6956820^2 + 19311001^2 .

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 421312104134401 - 2²¹ = 421312102037249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421312104134407) 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, 80456170 + ... + 85532563.

It is an arithmetic number, because the mean of its divisors is an integer number (52790641989525).

Almost surely, 2^{421312104134401} is an apocalyptic number.

It is an amenable number.

421312104134401 is a deficient number, since it is larger than the sum of its proper divisors (1013031781799).

421312104134401 is a wasteful number, since it uses less digits than its factorization.

421312104134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165994835.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 421312104134401 its reverse (104431401213124), we get a palindrome (525743505347525).

The spelling of 421312104134401 in words is "four hundred twenty-one trillion, three hundred twelve billion, one hundred four million, one hundred thirty-four thousand, four hundred one".