1206915032773 has 2 divisors, whose sum is σ = 1206915032774. Its totient is φ = 1206915032772.

The previous prime is 1206915032761. The next prime is 1206915032831. The reversal of 1206915032773 is 3772305196021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 726829566849 + 480085465924 = 852543^2 + 692882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206915032773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206915030773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603457516386 + 603457516387.

It is an arithmetic number, because the mean of its divisors is an integer number (603457516387).

Almost surely, 2^{1206915032773} is an apocalyptic number.

It is an amenable number.

1206915032773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206915032773 is an equidigital number, since it uses as much as digits as its factorization.

1206915032773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 1206915032773 in words is "one trillion, two hundred six billion, nine hundred fifteen million, thirty-two thousand, seven hundred seventy-three".