1368911631579 has 4 divisors (see below), whose sum is σ = 1825215508776. Its totient is φ = 912607754384.

The previous prime is 1368911631511. The next prime is 1368911631583. The reversal of 1368911631579 is 9751361198631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1368911631579 - 2¹¹ = 1368911629531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1368911631079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228151938594 + ... + 228151938599.

It is an arithmetic number, because the mean of its divisors is an integer number (456303877194).

Almost surely, 2^{1368911631579} is an apocalyptic number.

1368911631579 is a deficient number, since it is larger than the sum of its proper divisors (456303877197).

1368911631579 is an equidigital number, since it uses as much as digits as its factorization.

1368911631579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456303877196.

The product of its digits is 7348320, while the sum is 60.

The spelling of 1368911631579 in words is "one trillion, three hundred sixty-eight billion, nine hundred eleven million, six hundred thirty-one thousand, five hundred seventy-nine".