1315966889783 has 8 divisors (see below), whose sum is σ = 1619651556768. Its totient is φ = 1041204572064.

The previous prime is 1315966889779. The next prime is 1315966889791. The reversal of 1315966889783 is 3879886695131.

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 1315966889783 - 2² = 1315966889779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315966889783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315966889383) 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, 7230587216 + ... + 7230587397.

It is an arithmetic number, because the mean of its divisors is an integer number (202456444596).

Almost surely, 2^{1315966889783} is an apocalyptic number.

1315966889783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1315966889783 is a deficient number, since it is larger than the sum of its proper divisors (303684666985).

1315966889783 is a wasteful number, since it uses less digits than its factorization.

1315966889783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461174633.

The product of its digits is 470292480, while the sum is 74.

The spelling of 1315966889783 in words is "one trillion, three hundred fifteen billion, nine hundred sixty-six million, eight hundred eighty-nine thousand, seven hundred eighty-three".