386267842405 has 4 divisors (see below), whose sum is σ = 463521410892. Its totient is φ = 309014273920.

The previous prime is 386267842403. The next prime is 386267842439. The reversal of 386267842405 is 504248762683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504248762683 = 4001 ⋅126030683.

It can be written as a sum of positive squares in 2 ways, for example, as 44614733284 + 341653109121 = 211222^2 + 584511^2 .

It is not a de Polignac number, because 386267842405 - 2¹ = 386267842403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386267842403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38626784236 + ... + 38626784245.

It is an arithmetic number, because the mean of its divisors is an integer number (115880352723).

Almost surely, 2^386267842405 is an apocalyptic number.

It is an amenable number.

386267842405 is a deficient number, since it is larger than the sum of its proper divisors (77253568487).

386267842405 is an equidigital number, since it uses as much as digits as its factorization.

386267842405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77253568486.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 386267842405 in words is "three hundred eighty-six billion, two hundred sixty-seven million, eight hundred forty-two thousand, four hundred five".