1365851871364 has 12 divisors (see below), whose sum is σ = 2395425682188. Its totient is φ = 681444533600.

The previous prime is 1365851871361. The next prime is 1365851871403. The reversal of 1365851871364 is 4631781585631.

It can be written as a sum of positive squares in 2 ways, for example, as 902199824964 + 463652046400 = 949842^2 + 680920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1365851871299 and 1365851871308.

It is not an unprimeable number, because it can be changed into a prime (1365851871361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370348447 + ... + 370352134.

It is an arithmetic number, because the mean of its divisors is an integer number (199618806849).

Almost surely, 2^{1365851871364} is an apocalyptic number.

It is an amenable number.

1365851871364 is a deficient number, since it is larger than the sum of its proper divisors (1029573810824).

1365851871364 is a wasteful number, since it uses less digits than its factorization.

1365851871364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740701046 (or 740701044 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 1365851871364 in words is "one trillion, three hundred sixty-five billion, eight hundred fifty-one million, eight hundred seventy-one thousand, three hundred sixty-four".