856819629103 has 2 divisors, whose sum is σ = 856819629104. Its totient is φ = 856819629102.

The previous prime is 856819629037. The next prime is 856819629139. The reversal of 856819629103 is 301926918658.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856819629103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (856819629163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428409814551 + 428409814552.

It is an arithmetic number, because the mean of its divisors is an integer number (428409814552).

Almost surely, 2^856819629103 is an apocalyptic number.

856819629103 is a deficient number, since it is larger than the sum of its proper divisors (1).

856819629103 is an equidigital number, since it uses as much as digits as its factorization.

856819629103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 856819629103 in words is "eight hundred fifty-six billion, eight hundred nineteen million, six hundred twenty-nine thousand, one hundred three".