154846966689 has 12 divisors (see below), whose sum is σ = 223986919572. Its totient is φ = 103084044000.

The previous prime is 154846966667. The next prime is 154846966709. The reversal of 154846966689 is 986669648451.

It can be written as a sum of positive squares in 2 ways, for example, as 83878006689 + 70968960000 = 289617^2 + 266400^2 .

It is not a de Polignac number, because 154846966689 - 2¹² = 154846962593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154846966619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12265602 + ... + 12278219.

It is an arithmetic number, because the mean of its divisors is an integer number (18665576631).

Almost surely, 2^154846966689 is an apocalyptic number.

It is an amenable number.

154846966689 is a deficient number, since it is larger than the sum of its proper divisors (69139952883).

154846966689 is a wasteful number, since it uses less digits than its factorization.

154846966689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24544528 (or 24544525 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 154846966689 in words is "one hundred fifty-four billion, eight hundred forty-six million, nine hundred sixty-six thousand, six hundred eighty-nine".