1297881718993 has 8 divisors (see below), whose sum is σ = 1302543169056. Its totient is φ = 1293220572000.

The previous prime is 1297881718967. The next prime is 1297881718999. The reversal of 1297881718993 is 3998171887921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1297881718993 - 2³³ = 1289291784401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297881718999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11874330 + ... + 11983132.

It is an arithmetic number, because the mean of its divisors is an integer number (162817896132).

Almost surely, 2^{1297881718993} is an apocalyptic number.

It is an amenable number.

1297881718993 is a deficient number, since it is larger than the sum of its proper divisors (4661450063).

1297881718993 is a wasteful number, since it uses less digits than its factorization.

1297881718993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151535.

The product of its digits is 109734912, while the sum is 73.

The spelling of 1297881718993 in words is "one trillion, two hundred ninety-seven billion, eight hundred eighty-one million, seven hundred eighteen thousand, nine hundred ninety-three".