1206643489307 has 4 divisors (see below), whose sum is σ = 1248251885520. Its totient is φ = 1165035093096.

The previous prime is 1206643489253. The next prime is 1206643489309. The reversal of 1206643489307 is 7039843466021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206643489307 - 2³⁶ = 1137924012571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206643489309) 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, 20804198063 + ... + 20804198120.

It is an arithmetic number, because the mean of its divisors is an integer number (312062971380).

Almost surely, 2^{1206643489307} is an apocalyptic number.

1206643489307 is a deficient number, since it is larger than the sum of its proper divisors (41608396213).

1206643489307 is an equidigital number, since it uses as much as digits as its factorization.

1206643489307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41608396212.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 1206643489307 in words is "one trillion, two hundred six billion, six hundred forty-three million, four hundred eighty-nine thousand, three hundred seven".