385210493325491 has 2 divisors, whose sum is σ = 385210493325492. Its totient is φ = 385210493325490.

The previous prime is 385210493325451. The next prime is 385210493325571. The reversal of 385210493325491 is 194523394012583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385210493325491 - 2¹⁰ = 385210493324467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385210493325491.

It is not a weakly prime, because it can be changed into another prime (385210493325451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192605246662745 + 192605246662746.

It is an arithmetic number, because the mean of its divisors is an integer number (192605246662746).

Almost surely, 2^{385210493325491} is an apocalyptic number.

385210493325491 is a deficient number, since it is larger than the sum of its proper divisors (1).

385210493325491 is an equidigital number, since it uses as much as digits as its factorization.

385210493325491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 385210493325491 in words is "three hundred eighty-five trillion, two hundred ten billion, four hundred ninety-three million, three hundred twenty-five thousand, four hundred ninety-one".