6444221150127 has 32 divisors (see below), whose sum is σ = 8909161744384. Its totient is φ = 4138965734400.

The previous prime is 6444221150119. The next prime is 6444221150153. The reversal of 6444221150127 is 7210511224446.

It is not a de Polignac number, because 6444221150127 - 2³ = 6444221150119 is a prime.

It is a super-2 number, since 2×6444221150127² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444221150117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71385123 + ... + 71475339.

It is an arithmetic number, because the mean of its divisors is an integer number (278411304512).

Almost surely, 2^{6444221150127} is an apocalyptic number.

6444221150127 is a deficient number, since it is larger than the sum of its proper divisors (2464940594257).

6444221150127 is a wasteful number, since it uses less digits than its factorization.

6444221150127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93679.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 6444221150127 in words is "six trillion, four hundred forty-four billion, two hundred twenty-one million, one hundred fifty thousand, one hundred twenty-seven".