854349098486423 has 2 divisors, whose sum is σ = 854349098486424. Its totient is φ = 854349098486422.

The previous prime is 854349098486333. The next prime is 854349098486447. The reversal of 854349098486423 is 324684890943458.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854349098486423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854349098486623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427174549243211 + 427174549243212.

It is an arithmetic number, because the mean of its divisors is an integer number (427174549243212).

Almost surely, 2^{854349098486423} is an apocalyptic number.

854349098486423 is a deficient number, since it is larger than the sum of its proper divisors (1).

854349098486423 is an equidigital number, since it uses as much as digits as its factorization.

854349098486423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5733089280, while the sum is 77.

The spelling of 854349098486423 in words is "eight hundred fifty-four trillion, three hundred forty-nine billion, ninety-eight million, four hundred eighty-six thousand, four hundred twenty-three".