45444052219 has 2 divisors, whose sum is σ = 45444052220. Its totient is φ = 45444052218.

The previous prime is 45444052201. The next prime is 45444052249. The reversal of 45444052219 is 91225044454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45444052219 - 2¹³ = 45444044027 is a prime.

It is a super-2 number, since 2×45444052219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45444052249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722026109 + 22722026110.

It is an arithmetic number, because the mean of its divisors is an integer number (22722026110).

Almost surely, 2^45444052219 is an apocalyptic number.

45444052219 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444052219 is an equidigital number, since it uses as much as digits as its factorization.

45444052219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 45444052219 in words is "forty-five billion, four hundred forty-four million, fifty-two thousand, two hundred nineteen".