1319749513459 has 8 divisors (see below), whose sum is σ = 1421314724592. Its totient is φ = 1218190876320.

The previous prime is 1319749513447. The next prime is 1319749513463. The reversal of 1319749513459 is 9543159479131.

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 1319749513459 - 2⁵ = 1319749513427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1319749513397 and 1319749513406.

It is not an unprimeable number, because it can be changed into a prime (1319749513429) 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, 1222549 + ... + 2033254.

It is an arithmetic number, because the mean of its divisors is an integer number (177664340574).

Almost surely, 2^{1319749513459} is an apocalyptic number.

1319749513459 is a deficient number, since it is larger than the sum of its proper divisors (101565211133).

1319749513459 is a wasteful number, since it uses less digits than its factorization.

1319749513459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286997.

The product of its digits is 18370800, while the sum is 61.

The spelling of 1319749513459 in words is "one trillion, three hundred nineteen billion, seven hundred forty-nine million, five hundred thirteen thousand, four hundred fifty-nine".