34719314781 has 4 divisors (see below), whose sum is σ = 46292419712. Its totient is φ = 23146209852.

The previous prime is 34719314767. The next prime is 34719314789. The reversal of 34719314781 is 18741391743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18741391743 = 3 ⋅6247130581.

It is not a de Polignac number, because 34719314781 - 2⁶ = 34719314717 is a prime.

It is a super-2 number, since 2×34719314781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34719314781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34719314789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5786552461 + ... + 5786552466.

It is an arithmetic number, because the mean of its divisors is an integer number (11573104928).

Almost surely, 2^34719314781 is an apocalyptic number.

It is an amenable number.

34719314781 is a deficient number, since it is larger than the sum of its proper divisors (11573104931).

34719314781 is a wasteful number, since it uses less digits than its factorization.

34719314781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573104930.

The product of its digits is 508032, while the sum is 48.

The spelling of 34719314781 in words is "thirty-four billion, seven hundred nineteen million, three hundred fourteen thousand, seven hundred eighty-one".