44720542219 has 2 divisors, whose sum is σ = 44720542220. Its totient is φ = 44720542218.

The previous prime is 44720542201. The next prime is 44720542259. The reversal of 44720542219 is 91224502744.

It is an a-pointer prime, because the next prime (44720542259) can be obtained adding 44720542219 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44720542219 - 2¹¹ = 44720540171 is a prime.

It is a super-2 number, since 2×44720542219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44720542259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22360271109 + 22360271110.

It is an arithmetic number, because the mean of its divisors is an integer number (22360271110).

Almost surely, 2^44720542219 is an apocalyptic number.

44720542219 is a deficient number, since it is larger than the sum of its proper divisors (1).

44720542219 is an equidigital number, since it uses as much as digits as its factorization.

44720542219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 44720542219 in words is "forty-four billion, seven hundred twenty million, five hundred forty-two thousand, two hundred nineteen".