2170238539 has 8 divisors (see below), whose sum is σ = 2610813440. Its totient is φ = 1762298856.

The previous prime is 2170238533. The next prime is 2170238593. The reversal of 2170238539 is 9358320712.

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 2170238539 - 2⁵ = 2170238507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2170238533) 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, 8158659 + ... + 8158924.

It is an arithmetic number, because the mean of its divisors is an integer number (326351680).

Almost surely, 2^2170238539 is an apocalyptic number.

2170238539 is a deficient number, since it is larger than the sum of its proper divisors (440574901).

2170238539 is a wasteful number, since it uses less digits than its factorization.

2170238539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317609.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2170238539 is about 46585.8190761953. The cubic root of 2170238539 is about 1294.7000272189.

The spelling of 2170238539 in words is "two billion, one hundred seventy million, two hundred thirty-eight thousand, five hundred thirty-nine".