2144445091951 has 2 divisors, whose sum is σ = 2144445091952. Its totient is φ = 2144445091950.

The previous prime is 2144445091939. The next prime is 2144445091979. The reversal of 2144445091951 is 1591905444412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144445091951 - 2³⁵ = 2110085353583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144445091895 and 2144445091904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144445091991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072222545975 + 1072222545976.

It is an arithmetic number, because the mean of its divisors is an integer number (1072222545976).

Almost surely, 2^{2144445091951} is an apocalyptic number.

2144445091951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144445091951 is an equidigital number, since it uses as much as digits as its factorization.

2144445091951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 2144445091951 in words is "two trillion, one hundred forty-four billion, four hundred forty-five million, ninety-one thousand, nine hundred fifty-one".