395534379281 has 8 divisors (see below), whose sum is σ = 418807467360. Its totient is φ = 372261997888.

The previous prime is 395534379161. The next prime is 395534379311. The reversal of 395534379281 is 182973435593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395534379281 - 2²² = 395530184977 is a prime.

It is a super-2 number, since 2×395534379281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 395534379281.

It is not an unprimeable number, because it can be changed into a prime (395534309281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355270 + ... + 1621056.

It is an arithmetic number, because the mean of its divisors is an integer number (52350933420).

Almost surely, 2^395534379281 is an apocalyptic number.

It is an amenable number.

395534379281 is a deficient number, since it is larger than the sum of its proper divisors (23273088079).

395534379281 is a wasteful number, since it uses less digits than its factorization.

395534379281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353343.

The product of its digits is 24494400, while the sum is 59.

The spelling of 395534379281 in words is "three hundred ninety-five billion, five hundred thirty-four million, three hundred seventy-nine thousand, two hundred eighty-one".