870021734383 has 2 divisors, whose sum is σ = 870021734384. Its totient is φ = 870021734382.

The previous prime is 870021734371. The next prime is 870021734431. The reversal of 870021734383 is 383437120078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870021734383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870021734333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435010867191 + 435010867192.

It is an arithmetic number, because the mean of its divisors is an integer number (435010867192).

Almost surely, 2^870021734383 is an apocalyptic number.

870021734383 is a deficient number, since it is larger than the sum of its proper divisors (1).

870021734383 is an equidigital number, since it uses as much as digits as its factorization.

870021734383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 870021734383 in words is "eight hundred seventy billion, twenty-one million, seven hundred thirty-four thousand, three hundred eighty-three".