338635949401 has 4 divisors (see below), whose sum is σ = 338922687204. Its totient is φ = 338349211600.

The previous prime is 338635949389. The next prime is 338635949413. The reversal of 338635949401 is 104949536833.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (338635949389) and next prime (338635949413).

It can be written as a sum of positive squares in 2 ways, for example, as 200367245376 + 138268704025 = 447624^2 + 371845^2 .

It is a cyclic number.

It is not a de Polignac number, because 338635949401 - 2²⁵ = 338602394969 is a prime.

It is a super-2 number, since 2×338635949401² (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 (338635947401) 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, 143367130 + ... + 143369491.

It is an arithmetic number, because the mean of its divisors is an integer number (84730671801).

Almost surely, 2^338635949401 is an apocalyptic number.

It is an amenable number.

338635949401 is a deficient number, since it is larger than the sum of its proper divisors (286737803).

338635949401 is a wasteful number, since it uses less digits than its factorization.

338635949401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286737802.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 338635949401 in words is "three hundred thirty-eight billion, six hundred thirty-five million, nine hundred forty-nine thousand, four hundred one".