338950558645 has 8 divisors (see below), whose sum is σ = 406744295256. Its totient is φ = 271158030336.

The previous prime is 338950558637. The next prime is 338950558649. The reversal of 338950558645 is 546855059833.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85763465316 + 253187093329 = 292854^2 + 503177^2 .

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 338950558645 - 2³ = 338950558637 is a prime.

It is a super-2 number, since 2×338950558645² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338950558649) 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, 516949 + ... + 972181.

It is an arithmetic number, because the mean of its divisors is an integer number (50843036907).

Almost surely, 2^338950558645 is an apocalyptic number.

It is an amenable number.

338950558645 is a deficient number, since it is larger than the sum of its proper divisors (67793736611).

338950558645 is a wasteful number, since it uses less digits than its factorization.

338950558645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604151.

The product of its (nonzero) digits is 77760000, while the sum is 61.

The spelling of 338950558645 in words is "three hundred thirty-eight billion, nine hundred fifty million, five hundred fifty-eight thousand, six hundred forty-five".