1293296675781 has 8 divisors (see below), whose sum is σ = 1881158801184. Its totient is φ = 783816167120.

The previous prime is 1293296675779. The next prime is 1293296675861. The reversal of 1293296675781 is 1875766923921.

It is a happy number.

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 1293296675781 - 2¹ = 1293296675779 is a prime.

It is a super-2 number, since 2×1293296675781² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293296675761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19595404146 + ... + 19595404211.

It is an arithmetic number, because the mean of its divisors is an integer number (235144850148).

Almost surely, 2^{1293296675781} is an apocalyptic number.

1293296675781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1293296675781 is a deficient number, since it is larger than the sum of its proper divisors (587862125403).

1293296675781 is a wasteful number, since it uses less digits than its factorization.

1293296675781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39190808371.

The product of its digits is 68584320, while the sum is 66.

The spelling of 1293296675781 in words is "one trillion, two hundred ninety-three billion, two hundred ninety-six million, six hundred seventy-five thousand, seven hundred eighty-one".