44551142219 has 2 divisors, whose sum is σ = 44551142220. Its totient is φ = 44551142218.

The previous prime is 44551142179. The next prime is 44551142257. The reversal of 44551142219 is 91224115544.

It is a happy number.

It is an a-pointer prime, because the next prime (44551142257) can be obtained adding 44551142219 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44551142219 - 2¹⁶ = 44551076683 is a prime.

It is a super-2 number, since 2×44551142219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44551147219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22275571109 + 22275571110.

It is an arithmetic number, because the mean of its divisors is an integer number (22275571110).

Almost surely, 2^44551142219 is an apocalyptic number.

44551142219 is a deficient number, since it is larger than the sum of its proper divisors (1).

44551142219 is an equidigital number, since it uses as much as digits as its factorization.

44551142219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The spelling of 44551142219 in words is "forty-four billion, five hundred fifty-one million, one hundred forty-two thousand, two hundred nineteen".