1293768946745 has 12 divisors (see below), whose sum is σ = 1706491933860. Its totient is φ = 940922869920.

The previous prime is 1293768946661. The next prime is 1293768946753. The reversal of 1293768946745 is 5476498673921.

It can be written as a sum of positive squares in 2 ways, for example, as 501690306601 + 792078640144 = 708301^2 + 889988^2 .

It is not a de Polignac number, because 1293768946745 - 2³⁸ = 1018891039801 is a prime.

It is a super-3 number, since 3×1293768946745³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069229930 + ... + 1069231139.

It is an arithmetic number, because the mean of its divisors is an integer number (142207661155).

Almost surely, 2^{1293768946745} is an apocalyptic number.

It is an amenable number.

1293768946745 is a deficient number, since it is larger than the sum of its proper divisors (412722987115).

1293768946745 is a wasteful number, since it uses less digits than its factorization.

1293768946745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138461096 (or 2138461085 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 71.

The spelling of 1293768946745 in words is "one trillion, two hundred ninety-three billion, seven hundred sixty-eight million, nine hundred forty-six thousand, seven hundred forty-five".