34947916819 has 4 divisors (see below), whose sum is σ = 35080798896. Its totient is φ = 34815034744.

The previous prime is 34947916813. The next prime is 34947916901. The reversal of 34947916819 is 91861974943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91861974943 = 71 ⋅1293830633.

It is a cyclic number.

It is not a de Polignac number, because 34947916819 - 2²⁵ = 34914362387 is a prime.

It is a super-2 number, since 2×34947916819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34947916813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66440644 + ... + 66441169.

It is an arithmetic number, because the mean of its divisors is an integer number (8770199724).

Almost surely, 2^34947916819 is an apocalyptic number.

34947916819 is a deficient number, since it is larger than the sum of its proper divisors (132882077).

34947916819 is a wasteful number, since it uses less digits than its factorization.

34947916819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132882076.

The product of its digits is 11757312, while the sum is 61.

The spelling of 34947916819 in words is "thirty-four billion, nine hundred forty-seven million, nine hundred sixteen thousand, eight hundred nineteen".