338604118609 has 9 divisors (see below), whose sum is σ = 339503201193. Its totient is φ = 337707415332.

The previous prime is 338604118583. The next prime is 338604118637. The reversal of 338604118609 is 906811406833.

The square root of 338604118609 is 581897.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 338604118609 - 2¹¹ = 338604116561 is a prime.

It is a super-2 number, since 2×338604118609² (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 (338604118649) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 383469682 + ... + 383470564.

Almost surely, 2^338604118609 is an apocalyptic number.

338604118609 is the 581897-th square number.

338604118609 is the 290949-th centered octagonal number.

It is an amenable number.

338604118609 is a deficient number, since it is larger than the sum of its proper divisors (899082584).

338604118609 is an frugal number, since it uses more digits than its factorization.

338604118609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 338604118609 by its sum of digits (49), we get a square (16591601811841 = 4073279²).

The spelling of 338604118609 in words is "three hundred thirty-eight billion, six hundred four million, one hundred eighteen thousand, six hundred nine".