84921703903 has 2 divisors, whose sum is σ = 84921703904. Its totient is φ = 84921703902.

The previous prime is 84921703901. The next prime is 84921703981. The reversal of 84921703903 is 30930712948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84921703903 - 2¹ = 84921703901 is a prime.

Together with 84921703901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84921703901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42460851951 + 42460851952.

It is an arithmetic number, because the mean of its divisors is an integer number (42460851952).

Almost surely, 2^84921703903 is an apocalyptic number.

84921703903 is a deficient number, since it is larger than the sum of its proper divisors (1).

84921703903 is an equidigital number, since it uses as much as digits as its factorization.

84921703903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 84921703903 in words is "eighty-four billion, nine hundred twenty-one million, seven hundred three thousand, nine hundred three".