1279463946994 has 8 divisors (see below), whose sum is σ = 1923042006000. Its totient is φ = 638449944996.

The previous prime is 1279463946977. The next prime is 1279463946997. The reversal of 1279463946994 is 4996493649721.

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

It is not an unprimeable number, because it can be changed into a prime (1279463946997) 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, 641013004 + ... + 641014999.

It is an arithmetic number, because the mean of its divisors is an integer number (240380250750).

Almost surely, 2^{1279463946994} is an apocalyptic number.

1279463946994 is a deficient number, since it is larger than the sum of its proper divisors (643578059006).

1279463946994 is a wasteful number, since it uses less digits than its factorization.

1279463946994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282028504.

The product of its digits is 634894848, while the sum is 73.

The spelling of 1279463946994 in words is "one trillion, two hundred seventy-nine billion, four hundred sixty-three million, nine hundred forty-six thousand, nine hundred ninety-four".