4140414430421 has 2 divisors, whose sum is σ = 4140414430422. Its totient is φ = 4140414430420.

The previous prime is 4140414430409. The next prime is 4140414430457. The reversal of 4140414430421 is 1240344140414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2601043200625 + 1539371229796 = 1612775^2 + 1240714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140414430421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140414430921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070207215210 + 2070207215211.

It is an arithmetic number, because the mean of its divisors is an integer number (2070207215211).

Almost surely, 2^{4140414430421} is an apocalyptic number.

It is an amenable number.

4140414430421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140414430421 is an equidigital number, since it uses as much as digits as its factorization.

4140414430421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 4140414430421 its reverse (1240344140414), we get a palindrome (5380758570835).

The spelling of 4140414430421 in words is "four trillion, one hundred forty billion, four hundred fourteen million, four hundred thirty thousand, four hundred twenty-one".