385145280983 has 2 divisors, whose sum is σ = 385145280984. Its totient is φ = 385145280982.

The previous prime is 385145280907. The next prime is 385145281049. The reversal of 385145280983 is 389082541583.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (389082541583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385145280983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385145280283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192572640491 + 192572640492.

It is an arithmetic number, because the mean of its divisors is an integer number (192572640492).

Almost surely, 2^385145280983 is an apocalyptic number.

385145280983 is a deficient number, since it is larger than the sum of its proper divisors (1).

385145280983 is an equidigital number, since it uses as much as digits as its factorization.

385145280983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 385145280983 in words is "three hundred eighty-five billion, one hundred forty-five million, two hundred eighty thousand, nine hundred eighty-three".