6444621150119 has 2 divisors, whose sum is σ = 6444621150120. Its totient is φ = 6444621150118.

The previous prime is 6444621150031. The next prime is 6444621150193. The reversal of 6444621150119 is 9110511264446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6444621150119 is a prime.

It is a super-2 number, since 2×6444621150119² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6444621150119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6444624150119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222310575059 + 3222310575060.

It is an arithmetic number, because the mean of its divisors is an integer number (3222310575060).

Almost surely, 2^{6444621150119} is an apocalyptic number.

6444621150119 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444621150119 is an equidigital number, since it uses as much as digits as its factorization.

6444621150119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 6444621150119 in words is "six trillion, four hundred forty-four billion, six hundred twenty-one million, one hundred fifty thousand, one hundred nineteen".