338495744421 has 32 divisors (see below), whose sum is σ = 532788211200. Its totient is φ = 211993588800.

The previous prime is 338495744407. The next prime is 338495744441. The reversal of 338495744421 is 124447594833.

338495744421 is a `hidden beast` number, since 3 + 3 + 8 + 4 + 9 + 574 + 44 + 21 = 666.

It is not a de Polignac number, because 338495744421 - 2⁶ = 338495744357 is a prime.

It is a super-2 number, since 2×338495744421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338495744401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5813005 + ... + 5870946.

It is an arithmetic number, because the mean of its divisors is an integer number (16649631600).

Almost surely, 2^338495744421 is an apocalyptic number.

It is an amenable number.

338495744421 is a deficient number, since it is larger than the sum of its proper divisors (194292466779).

338495744421 is a wasteful number, since it uses less digits than its factorization.

338495744421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684026 (or 11684020 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 338495744421 in words is "three hundred thirty-eight billion, four hundred ninety-five million, seven hundred forty-four thousand, four hundred twenty-one".