390345050171 has 2 divisors, whose sum is σ = 390345050172. Its totient is φ = 390345050170.

The previous prime is 390345050119. The next prime is 390345050267. The reversal of 390345050171 is 171050543093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390345050171 - 2¹⁰ = 390345049147 is a prime.

It is not a weakly prime, because it can be changed into another prime (390345050101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195172525085 + 195172525086.

It is an arithmetic number, because the mean of its divisors is an integer number (195172525086).

Almost surely, 2^390345050171 is an apocalyptic number.

390345050171 is a deficient number, since it is larger than the sum of its proper divisors (1).

390345050171 is an equidigital number, since it uses as much as digits as its factorization.

390345050171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 390345050171 in words is "three hundred ninety billion, three hundred forty-five million, fifty thousand, one hundred seventy-one".