2170338687043 has 4 divisors (see below), whose sum is σ = 2170356073720. Its totient is φ = 2170321300368.

The previous prime is 2170338687037. The next prime is 2170338687211. The reversal of 2170338687043 is 3407868330712.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2170338687043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2170338687343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8504733 + ... + 8756206.

It is an arithmetic number, because the mean of its divisors is an integer number (542589018430).

Almost surely, 2^{2170338687043} is an apocalyptic number.

2170338687043 is a deficient number, since it is larger than the sum of its proper divisors (17386677).

2170338687043 is a wasteful number, since it uses less digits than its factorization.

2170338687043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386676.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 2170338687043 in words is "two trillion, one hundred seventy billion, three hundred thirty-eight million, six hundred eighty-seven thousand, forty-three".