395874234403 has 4 divisors (see below), whose sum is σ = 396183754240. Its totient is φ = 395564714568.

The previous prime is 395874234391. The next prime is 395874234409. The reversal of 395874234403 is 304432478593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304432478593 = 88741 ⋅3430573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395874234403 is a prime.

It is a super-2 number, since 2×395874234403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395874234409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154758000 + ... + 154760557.

It is an arithmetic number, because the mean of its divisors is an integer number (99045938560).

Almost surely, 2^395874234403 is an apocalyptic number.

395874234403 is a deficient number, since it is larger than the sum of its proper divisors (309519837).

395874234403 is a wasteful number, since it uses less digits than its factorization.

395874234403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309519836.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 395874234403 in words is "three hundred ninety-five billion, eight hundred seventy-four million, two hundred thirty-four thousand, four hundred three".