465441457421 has 2 divisors, whose sum is σ = 465441457422. Its totient is φ = 465441457420.

The previous prime is 465441457387. The next prime is 465441457493. The reversal of 465441457421 is 124754144564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460478959396 + 4962498025 = 678586^2 + 70445^2 .

It is a cyclic number.

It is not a de Polignac number, because 465441457421 - 2³⁰ = 464367715597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465441450421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232720728710 + 232720728711.

It is an arithmetic number, because the mean of its divisors is an integer number (232720728711).

Almost surely, 2^465441457421 is an apocalyptic number.

It is an amenable number.

465441457421 is a deficient number, since it is larger than the sum of its proper divisors (1).

465441457421 is an equidigital number, since it uses as much as digits as its factorization.

465441457421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 47.

The spelling of 465441457421 in words is "four hundred sixty-five billion, four hundred forty-one million, four hundred fifty-seven thousand, four hundred twenty-one".