44462361421 has 2 divisors, whose sum is σ = 44462361422. Its totient is φ = 44462361420.

The previous prime is 44462361407. The next prime is 44462361469. The reversal of 44462361421 is 12416326444.

44462361421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44462361321 + 100 = 210861^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 44462361421 - 2⁵ = 44462361389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44462361521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22231180710 + 22231180711.

It is an arithmetic number, because the mean of its divisors is an integer number (22231180711).

Almost surely, 2^44462361421 is an apocalyptic number.

It is an amenable number.

44462361421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44462361421 is an equidigital number, since it uses as much as digits as its factorization.

44462361421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 37.

Adding to 44462361421 its reverse (12416326444), we get a palindrome (56878687865).

The spelling of 44462361421 in words is "forty-four billion, four hundred sixty-two million, three hundred sixty-one thousand, four hundred twenty-one".