44022121453 has 2 divisors, whose sum is σ = 44022121454. Its totient is φ = 44022121452.

The previous prime is 44022121399. The next prime is 44022121477. The reversal of 44022121453 is 35412122044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39107831049 + 4914290404 = 197757^2 + 70102^2 .

It is a cyclic number.

It is not a de Polignac number, because 44022121453 - 2⁹ = 44022120941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44022121753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22011060726 + 22011060727.

It is an arithmetic number, because the mean of its divisors is an integer number (22011060727).

Almost surely, 2^44022121453 is an apocalyptic number.

It is an amenable number.

44022121453 is a deficient number, since it is larger than the sum of its proper divisors (1).

44022121453 is an equidigital number, since it uses as much as digits as its factorization.

44022121453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 44022121453 its reverse (35412122044), we get a palindrome (79434243497).

The spelling of 44022121453 in words is "forty-four billion, twenty-two million, one hundred twenty-one thousand, four hundred fifty-three".