945676676549 has 16 divisors (see below), whose sum is σ = 1095140554560. Its totient is φ = 807055023360.

The previous prime is 945676676509. The next prime is 945676676551.

945676676549 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 945676676549 - 2¹⁶ = 945676611013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945676676509) by changing a digit.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6427379 + ... + 6572864.

It is an arithmetic number, because the mean of its divisors is an integer number (68446284660).

Almost surely, 2^945676676549 is an apocalyptic number.

It is an amenable number.

945676676549 is a deficient number, since it is larger than the sum of its proper divisors (149463878011).

945676676549 is a wasteful number, since it uses less digits than its factorization.

945676676549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13000660.

The product of its digits is 2057529600, while the sum is 74.

The spelling of 945676676549 in words is "nine hundred forty-five billion, six hundred seventy-six million, six hundred seventy-six thousand, five hundred forty-nine".