385491074237 has 2 divisors, whose sum is σ = 385491074238. Its totient is φ = 385491074236.

The previous prime is 385491074167. The next prime is 385491074261. The reversal of 385491074237 is 732470194583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195404666116 + 190086408121 = 442046^2 + 435989^2 .

It is a cyclic number.

It is not a de Polignac number, because 385491074237 - 2¹⁰ = 385491073213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385491374237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192745537118 + 192745537119.

It is an arithmetic number, because the mean of its divisors is an integer number (192745537119).

Almost surely, 2^385491074237 is an apocalyptic number.

It is an amenable number.

385491074237 is a deficient number, since it is larger than the sum of its proper divisors (1).

385491074237 is an equidigital number, since it uses as much as digits as its factorization.

385491074237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 385491074237 in words is "three hundred eighty-five billion, four hundred ninety-one million, seventy-four thousand, two hundred thirty-seven".