2144257832705 has 8 divisors (see below), whose sum is σ = 2583875548800. Its totient is φ = 1708228833136.

The previous prime is 2144257832701. The next prime is 2144257832719. The reversal of 2144257832705 is 5072387524412.

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 2144257832705 - 2² = 2144257832701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144257832701) 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, 897177815 + ... + 897180204.

It is an arithmetic number, because the mean of its divisors is an integer number (322984443600).

Almost surely, 2^{2144257832705} is an apocalyptic number.

It is an amenable number.

2144257832705 is a deficient number, since it is larger than the sum of its proper divisors (439617716095).

2144257832705 is a wasteful number, since it uses less digits than its factorization.

2144257832705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794358263.

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 2144257832705 in words is "two trillion, one hundred forty-four billion, two hundred fifty-seven million, eight hundred thirty-two thousand, seven hundred five".