857129453963 has 2 divisors, whose sum is σ = 857129453964. Its totient is φ = 857129453962.

The previous prime is 857129453909. The next prime is 857129454019. The reversal of 857129453963 is 369354921758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857129453963 - 2¹⁴ = 857129437579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 857129453896 and 857129453905.

It is not a weakly prime, because it can be changed into another prime (857129353963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428564726981 + 428564726982.

It is an arithmetic number, because the mean of its divisors is an integer number (428564726982).

Almost surely, 2^857129453963 is an apocalyptic number.

857129453963 is a deficient number, since it is larger than the sum of its proper divisors (1).

857129453963 is an equidigital number, since it uses as much as digits as its factorization.

857129453963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 62.

The spelling of 857129453963 in words is "eight hundred fifty-seven billion, one hundred twenty-nine million, four hundred fifty-three thousand, nine hundred sixty-three".