44414220123421 has 2 divisors, whose sum is σ = 44414220123422. Its totient is φ = 44414220123420.

The previous prime is 44414220123367. The next prime is 44414220123437. The reversal of 44414220123421 is 12432102241444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35869151115396 + 8545069008025 = 5989086^2 + 2923195^2 .

It is a cyclic number.

It is not a de Polignac number, because 44414220123421 - 2¹⁷ = 44414219992349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44414220123521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22207110061710 + 22207110061711.

It is an arithmetic number, because the mean of its divisors is an integer number (22207110061711).

Almost surely, 2^{44414220123421} is an apocalyptic number.

It is an amenable number.

44414220123421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44414220123421 is an equidigital number, since it uses as much as digits as its factorization.

44414220123421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 44414220123421 its reverse (12432102241444), we get a palindrome (56846322364865).

The spelling of 44414220123421 in words is "forty-four trillion, four hundred fourteen billion, two hundred twenty million, one hundred twenty-three thousand, four hundred twenty-one".