34534678251 has 4 divisors (see below), whose sum is σ = 46046237672. Its totient is φ = 23023118832.

The previous prime is 34534678247. The next prime is 34534678261. The reversal of 34534678251 is 15287643543.

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

It is not a de Polignac number, because 34534678251 - 2² = 34534678247 is a prime.

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 34534678251.

It is not an unprimeable number, because it can be changed into a prime (34534678201) 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, 5755779706 + ... + 5755779711.

It is an arithmetic number, because the mean of its divisors is an integer number (11511559418).

Almost surely, 2^34534678251 is an apocalyptic number.

34534678251 is a deficient number, since it is larger than the sum of its proper divisors (11511559421).

34534678251 is a wasteful number, since it uses less digits than its factorization.

34534678251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11511559420.

The product of its digits is 2419200, while the sum is 48.

The spelling of 34534678251 in words is "thirty-four billion, five hundred thirty-four million, six hundred seventy-eight thousand, two hundred fifty-one".