45221740847 has 2 divisors, whose sum is σ = 45221740848. Its totient is φ = 45221740846.

The previous prime is 45221740819. The next prime is 45221740891. The reversal of 45221740847 is 74804712254.

It is an a-pointer prime, because the next prime (45221740891) can be obtained adding 45221740847 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45221740847 - 2¹² = 45221736751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45221740798 and 45221740807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45221740747) 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, 22610870423 + 22610870424.

It is an arithmetic number, because the mean of its divisors is an integer number (22610870424).

Almost surely, 2^45221740847 is an apocalyptic number.

45221740847 is a deficient number, since it is larger than the sum of its proper divisors (1).

45221740847 is an equidigital number, since it uses as much as digits as its factorization.

45221740847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 501760, while the sum is 44.

The spelling of 45221740847 in words is "forty-five billion, two hundred twenty-one million, seven hundred forty thousand, eight hundred forty-seven".