44821004453 has 2 divisors, whose sum is σ = 44821004454. Its totient is φ = 44821004452.

The previous prime is 44821004411. The next prime is 44821004461. The reversal of 44821004453 is 35440012844.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34375755649 + 10445248804 = 185407^2 + 102202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44821004453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44821004483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22410502226 + 22410502227.

It is an arithmetic number, because the mean of its divisors is an integer number (22410502227).

Almost surely, 2^44821004453 is an apocalyptic number.

It is an amenable number.

44821004453 is a deficient number, since it is larger than the sum of its proper divisors (1).

44821004453 is an equidigital number, since it uses as much as digits as its factorization.

44821004453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 44821004453 in words is "forty-four billion, eight hundred twenty-one million, four thousand, four hundred fifty-three".