421310434114421 has 16 divisors (see below), whose sum is σ = 455022671226624. Its totient is φ = 388607207748864.

The previous prime is 421310434114369. The next prime is 421310434114459. The reversal of 421310434114421 is 124411434013124.

It is a cyclic number.

It is not a de Polignac number, because 421310434114421 - 2¹⁰ = 421310434113397 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 (421310434111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262787705 + ... + 264386078.

It is an arithmetic number, because the mean of its divisors is an integer number (28438916951664).

Almost surely, 2^{421310434114421} is an apocalyptic number.

It is an amenable number.

421310434114421 is a deficient number, since it is larger than the sum of its proper divisors (33712237112203).

421310434114421 is a wasteful number, since it uses less digits than its factorization.

421310434114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527174740.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 421310434114421 its reverse (124411434013124), we get a palindrome (545721868127545).

The spelling of 421310434114421 in words is "four hundred twenty-one trillion, three hundred ten billion, four hundred thirty-four million, one hundred fourteen thousand, four hundred twenty-one".