44651820481 has 2 divisors, whose sum is σ = 44651820482. Its totient is φ = 44651820480.

The previous prime is 44651820457. The next prime is 44651820607. The reversal of 44651820481 is 18402815644.

44651820481 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., 23526651456 + 21125169025 = 153384^2 + 145345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44651820481 is a prime.

It is a super-2 number, since 2×44651820481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44651820401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22325910240 + 22325910241.

It is an arithmetic number, because the mean of its divisors is an integer number (22325910241).

Almost surely, 2^44651820481 is an apocalyptic number.

It is an amenable number.

44651820481 is a deficient number, since it is larger than the sum of its proper divisors (1).

44651820481 is an equidigital number, since it uses as much as digits as its factorization.

44651820481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 44651820481 in words is "forty-four billion, six hundred fifty-one million, eight hundred twenty thousand, four hundred eighty-one".