2170338350385 has 32 divisors (see below), whose sum is σ = 3495017185920. Its totient is φ = 1150045011968.

The previous prime is 2170338350381. The next prime is 2170338350429. The reversal of 2170338350385 is 5830538330712.

It is a cyclic number.

It is not a de Polignac number, because 2170338350385 - 2² = 2170338350381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2170338350381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775954 + ... + 2223236.

It is an arithmetic number, because the mean of its divisors is an integer number (109219287060).

Almost surely, 2^{2170338350385} is an apocalyptic number.

It is an amenable number.

2170338350385 is a deficient number, since it is larger than the sum of its proper divisors (1324678835535).

2170338350385 is a wasteful number, since it uses less digits than its factorization.

2170338350385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447937.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 2170338350385 in words is "two trillion, one hundred seventy billion, three hundred thirty-eight million, three hundred fifty thousand, three hundred eighty-five".