421424012035441 has 2 divisors, whose sum is σ = 421424012035442. Its totient is φ = 421424012035440.

The previous prime is 421424012035427. The next prime is 421424012035483. The reversal of 421424012035441 is 144530210424124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404164382745600 + 17259629289841 = 20103840^2 + 4154471^2 .

It is a cyclic number.

It is not a de Polignac number, because 421424012035441 - 2⁵ = 421424012035409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421424012035441.

It is not a weakly prime, because it can be changed into another prime (421424012075441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210712006017720 + 210712006017721.

It is an arithmetic number, because the mean of its divisors is an integer number (210712006017721).

Almost surely, 2^{421424012035441} is an apocalyptic number.

It is an amenable number.

421424012035441 is a deficient number, since it is larger than the sum of its proper divisors (1).

421424012035441 is an equidigital number, since it uses as much as digits as its factorization.

421424012035441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 421424012035441 its reverse (144530210424124), we get a palindrome (565954222459565).

The spelling of 421424012035441 in words is "four hundred twenty-one trillion, four hundred twenty-four billion, twelve million, thirty-five thousand, four hundred forty-one".