34597766779543 has 4 divisors (see below), whose sum is σ = 37743018304968. Its totient is φ = 31452515254120.

The previous prime is 34597766779523. The next prime is 34597766779573.

34597766779543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34597766779543 is a prime.

It is a super-2 number, since 2×34597766779543² (a number of 28 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 (34597766779523) 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, 1572625762696 + ... + 1572625762717.

It is an arithmetic number, because the mean of its divisors is an integer number (9435754576242).

Almost surely, 2^{34597766779543} is an apocalyptic number.

34597766779543 is a deficient number, since it is larger than the sum of its proper divisors (3145251525425).

34597766779543 is a wasteful number, since it uses less digits than its factorization.

34597766779543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145251525424.

The product of its digits is 25204737600, while the sum is 82.

The spelling of 34597766779543 in words is "thirty-four trillion, five hundred ninety-seven billion, seven hundred sixty-six million, seven hundred seventy-nine thousand, five hundred forty-three".