44451278453 has 2 divisors, whose sum is σ = 44451278454. Its totient is φ = 44451278452.

The previous prime is 44451278437. The next prime is 44451278467. The reversal of 44451278453 is 35487215444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37762982929 + 6688295524 = 194327^2 + 81782^2 .

It is a cyclic number.

It is not a de Polignac number, because 44451278453 - 2⁴ = 44451278437 is a prime.

It is a super-2 number, since 2×44451278453² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44451278398 and 44451278407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44451278413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22225639226 + 22225639227.

It is an arithmetic number, because the mean of its divisors is an integer number (22225639227).

Almost surely, 2^44451278453 is an apocalyptic number.

It is an amenable number.

44451278453 is a deficient number, since it is larger than the sum of its proper divisors (1).

44451278453 is an equidigital number, since it uses as much as digits as its factorization.

44451278453 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 44451278453 in words is "forty-four billion, four hundred fifty-one million, two hundred seventy-eight thousand, four hundred fifty-three".