34959139918 has 4 divisors (see below), whose sum is σ = 52438709880. Its totient is φ = 17479569958.

The previous prime is 34959139867. The next prime is 34959139937. The reversal of 34959139918 is 81993195943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81993195943 = 4909 ⋅16702627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8739784978 + ... + 8739784981.

It is an arithmetic number, because the mean of its divisors is an integer number (13109677470).

Almost surely, 2^34959139918 is an apocalyptic number.

34959139918 is a deficient number, since it is larger than the sum of its proper divisors (17479569962).

34959139918 is a wasteful number, since it uses less digits than its factorization.

34959139918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17479569961.

The product of its digits is 9447840, while the sum is 61.

The spelling of 34959139918 in words is "thirty-four billion, nine hundred fifty-nine million, one hundred thirty-nine thousand, nine hundred eighteen".