1368964943847 has 24 divisors (see below), whose sum is σ = 1979380102128. Its totient is φ = 911726928000.

The previous prime is 1368964943839. The next prime is 1368964943891. The reversal of 1368964943847 is 7483494698631.

It is a happy number.

1368964943847 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 96 + 494 + 3 + 8 + 47 = 666.

It is not a de Polignac number, because 1368964943847 - 2³ = 1368964943839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368964943447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51898572 + ... + 51924942.

It is an arithmetic number, because the mean of its divisors is an integer number (82474170922).

Almost surely, 2^{1368964943847} is an apocalyptic number.

1368964943847 is a deficient number, since it is larger than the sum of its proper divisors (610415158281).

1368964943847 is a wasteful number, since it uses less digits than its factorization.

1368964943847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31951 (or 31948 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 72.

The spelling of 1368964943847 in words is "one trillion, three hundred sixty-eight billion, nine hundred sixty-four million, nine hundred forty-three thousand, eight hundred forty-seven".