385670146891 has 2 divisors, whose sum is σ = 385670146892. Its totient is φ = 385670146890.

The previous prime is 385670146879. The next prime is 385670146919. The reversal of 385670146891 is 198641076583.

It is a weak prime.

It is an emirp because it is prime and its reverse (198641076583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385670146891 - 2¹¹ = 385670144843 is a prime.

It is not a weakly prime, because it can be changed into another prime (385670146591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192835073445 + 192835073446.

It is an arithmetic number, because the mean of its divisors is an integer number (192835073446).

Almost surely, 2^385670146891 is an apocalyptic number.

385670146891 is a deficient number, since it is larger than the sum of its proper divisors (1).

385670146891 is an equidigital number, since it uses as much as digits as its factorization.

385670146891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 385670146891 in words is "three hundred eighty-five billion, six hundred seventy million, one hundred forty-six thousand, eight hundred ninety-one".