338928621007 has 4 divisors (see below), whose sum is σ = 339934344256. Its totient is φ = 337922897760.

The previous prime is 338928620993. The next prime is 338928621049. The reversal of 338928621007 is 700126829833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700126829833 = 29 ⋅24142304477.

It is a cyclic number.

It is not a de Polignac number, because 338928621007 - 2⁷ = 338928620879 is a prime.

It is a super-2 number, since 2×338928621007² (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 (338928621107) 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 3 ways as a sum of consecutive naturals, for example, 502861119 + ... + 502861792.

It is an arithmetic number, because the mean of its divisors is an integer number (84983586064).

Almost surely, 2^338928621007 is an apocalyptic number.

338928621007 is a deficient number, since it is larger than the sum of its proper divisors (1005723249).

338928621007 is a wasteful number, since it uses less digits than its factorization.

338928621007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005723248.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 338928621007 in words is "three hundred thirty-eight billion, nine hundred twenty-eight million, six hundred twenty-one thousand, seven".