338438147929 has 16 divisors (see below), whose sum is σ = 395894568960. Its totient is φ = 283262610960.

The previous prime is 338438147917. The next prime is 338438147939. The reversal of 338438147929 is 929741834833.

It is not a de Polignac number, because 338438147929 - 2¹⁵ = 338438115161 is a prime.

It is a super-2 number, since 2×338438147929² (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 (338438147939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906384 + ... + 1224094.

It is an arithmetic number, because the mean of its divisors is an integer number (24743410560).

Almost surely, 2^338438147929 is an apocalyptic number.

It is an amenable number.

338438147929 is a deficient number, since it is larger than the sum of its proper divisors (57456421031).

338438147929 is a wasteful number, since it uses less digits than its factorization.

338438147929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321300.

The product of its digits is 31352832, while the sum is 61.

The spelling of 338438147929 in words is "three hundred thirty-eight billion, four hundred thirty-eight million, one hundred forty-seven thousand, nine hundred twenty-nine".