44526133721 has 2 divisors, whose sum is σ = 44526133722. Its totient is φ = 44526133720.

The previous prime is 44526133681. The next prime is 44526133723. The reversal of 44526133721 is 12733162544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42822508096 + 1703625625 = 206936^2 + 41275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44526133721 is a prime.

Together with 44526133723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44526133723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22263066860 + 22263066861.

It is an arithmetic number, because the mean of its divisors is an integer number (22263066861).

Almost surely, 2^44526133721 is an apocalyptic number.

It is an amenable number.

44526133721 is a deficient number, since it is larger than the sum of its proper divisors (1).

44526133721 is an equidigital number, since it uses as much as digits as its factorization.

44526133721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The spelling of 44526133721 in words is "forty-four billion, five hundred twenty-six million, one hundred thirty-three thousand, seven hundred twenty-one".