870646142845183 has 2 divisors, whose sum is σ = 870646142845184. Its totient is φ = 870646142845182.

The previous prime is 870646142845177. The next prime is 870646142845229. The reversal of 870646142845183 is 381548241646078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870646142845183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870646142845153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435323071422591 + 435323071422592.

It is an arithmetic number, because the mean of its divisors is an integer number (435323071422592).

Almost surely, 2^{870646142845183} is an apocalyptic number.

870646142845183 is a deficient number, since it is larger than the sum of its proper divisors (1).

870646142845183 is an equidigital number, since it uses as much as digits as its factorization.

870646142845183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 247726080, while the sum is 67.

The spelling of 870646142845183 in words is "eight hundred seventy trillion, six hundred forty-six billion, one hundred forty-two million, eight hundred forty-five thousand, one hundred eighty-three".