4145435420461 has 2 divisors, whose sum is σ = 4145435420462. Its totient is φ = 4145435420460.

The previous prime is 4145435420417. The next prime is 4145435420473. The reversal of 4145435420461 is 1640245345414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3205553644836 + 939881775625 = 1790406^2 + 969475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145435420461 - 2²³ = 4145427031853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145435420411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072717710230 + 2072717710231.

It is an arithmetic number, because the mean of its divisors is an integer number (2072717710231).

Almost surely, 2^{4145435420461} is an apocalyptic number.

It is an amenable number.

4145435420461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145435420461 is an equidigital number, since it uses as much as digits as its factorization.

4145435420461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 4145435420461 in words is "four trillion, one hundred forty-five billion, four hundred thirty-five million, four hundred twenty thousand, four hundred sixty-one".