676565654545434 has 16 divisors (see below), whose sum is σ = 1424348746411680. Its totient is φ = 213652311961680.

The previous prime is 676565654545423. The next prime is 676565654545549. The reversal of 676565654545434 is 434545456565676.

It is a happy number.

676565654545434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967393221577 + ... + 2967393221804.

It is an arithmetic number, because the mean of its divisors is an integer number (89021796650730).

Almost surely, 2^{676565654545434} is an apocalyptic number.

676565654545434 is an abundant number, since it is smaller than the sum of its proper divisors (747783091866246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676565654545434 is a wasteful number, since it uses less digits than its factorization.

676565654545434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934786443405.

The product of its digits is 21772800000, while the sum is 75.

The spelling of 676565654545434 in words is "six hundred seventy-six trillion, five hundred sixty-five billion, six hundred fifty-four million, five hundred forty-five thousand, four hundred thirty-four".