1299453607679 has 8 divisors (see below), whose sum is σ = 1380394950000. Its totient is φ = 1219767170112.

The previous prime is 1299453607657. The next prime is 1299453607693. The reversal of 1299453607679 is 9767063549921.

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 1299453607679 - 2²⁴ = 1299436830463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299453607649) 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, 313724054 + ... + 313728195.

It is an arithmetic number, because the mean of its divisors is an integer number (172549368750).

Almost surely, 2^{1299453607679} is an apocalyptic number.

1299453607679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1299453607679 is a deficient number, since it is larger than the sum of its proper divisors (80941342321).

1299453607679 is a wasteful number, since it uses less digits than its factorization.

1299453607679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627452377.

The product of its (nonzero) digits is 154314720, while the sum is 68.

The spelling of 1299453607679 in words is "one trillion, two hundred ninety-nine billion, four hundred fifty-three million, six hundred seven thousand, six hundred seventy-nine".