34687815938 has 4 divisors (see below), whose sum is σ = 52031723910. Its totient is φ = 17343907968.

The previous prime is 34687815901. The next prime is 34687815947. The reversal of 34687815938 is 83951878643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83951878643 = 29 ⋅2894892367.

It can be written as a sum of positive squares in only one way, i.e., 32835976849 + 1851839089 = 181207^2 + 43033^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8671953983 + ... + 8671953986.

Almost surely, 2^34687815938 is an apocalyptic number.

34687815938 is a deficient number, since it is larger than the sum of its proper divisors (17343907972).

34687815938 is a wasteful number, since it uses less digits than its factorization.

34687815938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343907971.

The product of its digits is 34836480, while the sum is 62.

The spelling of 34687815938 in words is "thirty-four billion, six hundred eighty-seven million, eight hundred fifteen thousand, nine hundred thirty-eight".