34518945719 has 4 divisors (see below), whose sum is σ = 34520006640. Its totient is φ = 34517884800.

The previous prime is 34518945679. The next prime is 34518945737. The reversal of 34518945719 is 91754981543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91754981543 = 55399 ⋅1656257.

It is a cyclic number.

It is not a de Polignac number, because 34518945719 - 2³² = 30223978423 is a prime.

It is a super-2 number, since 2×34518945719² (a number of 22 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 (34518945119) 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, 480059 + ... + 547260.

It is an arithmetic number, because the mean of its divisors is an integer number (8630001660).

Almost surely, 2^34518945719 is an apocalyptic number.

34518945719 is a deficient number, since it is larger than the sum of its proper divisors (1060921).

34518945719 is a wasteful number, since it uses less digits than its factorization.

34518945719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060920.

The product of its digits is 5443200, while the sum is 56.

The spelling of 34518945719 in words is "thirty-four billion, five hundred eighteen million, nine hundred forty-five thousand, seven hundred nineteen".