2144445091977 has 8 divisors (see below), whose sum is σ = 2859676769664. Its totient is φ = 1429421737808.

The previous prime is 2144445091951. The next prime is 2144445091979. The reversal of 2144445091977 is 7791905444412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144445091977 - 2⁷ = 2144445091849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144445091979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52056858 + ... + 52098035.

It is an arithmetic number, because the mean of its divisors is an integer number (357459596208).

Almost surely, 2^{2144445091977} is an apocalyptic number.

It is an amenable number.

2144445091977 is a deficient number, since it is larger than the sum of its proper divisors (715231677687).

2144445091977 is a wasteful number, since it uses less digits than its factorization.

2144445091977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104161759.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 2144445091977 in words is "two trillion, one hundred forty-four billion, four hundred forty-five million, ninety-one thousand, nine hundred seventy-seven".