1868327691297 has 8 divisors (see below), whose sum is σ = 2515289060544. Its totient is φ = 1233459058128.

The previous prime is 1868327691281. The next prime is 1868327691331. The reversal of 1868327691297 is 7921967238681.

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

It is not a de Polignac number, because 1868327691297 - 2⁴ = 1868327691281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1868327691397) 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, 3023183658 + ... + 3023184275.

It is an arithmetic number, because the mean of its divisors is an integer number (314411132568).

Almost surely, 2^{1868327691297} is an apocalyptic number.

It is an amenable number.

1868327691297 is a deficient number, since it is larger than the sum of its proper divisors (646961369247).

1868327691297 is a wasteful number, since it uses less digits than its factorization.

1868327691297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046368039.

The product of its digits is 109734912, while the sum is 69.

The spelling of 1868327691297 in words is "one trillion, eight hundred sixty-eight billion, three hundred twenty-seven million, six hundred ninety-one thousand, two hundred ninety-seven".