870136210943 has 4 divisors (see below), whose sum is σ = 881150593440. Its totient is φ = 859121828448.

The previous prime is 870136210907. The next prime is 870136210987. The reversal of 870136210943 is 349012631078.

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

It is a cyclic number.

It is not a de Polignac number, because 870136210943 - 2³² = 865841243647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 870136210894 and 870136210903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870106210943) 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, 5507191130 + ... + 5507191287.

It is an arithmetic number, because the mean of its divisors is an integer number (220287648360).

Almost surely, 2^870136210943 is an apocalyptic number.

870136210943 is a deficient number, since it is larger than the sum of its proper divisors (11014382497).

870136210943 is a wasteful number, since it uses less digits than its factorization.

870136210943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11014382496.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 870136210943 in words is "eight hundred seventy billion, one hundred thirty-six million, two hundred ten thousand, nine hundred forty-three".