1365249268003 has 4 divisors (see below), whose sum is σ = 1391008688208. Its totient is φ = 1339489847800.

The previous prime is 1365249267997. The next prime is 1365249268037. The reversal of 1365249268003 is 3008629425631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1365249268003 - 2¹³ = 1365249259811 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1365249268703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12879710023 + ... + 12879710128.

It is an arithmetic number, because the mean of its divisors is an integer number (347752172052).

Almost surely, 2^{1365249268003} is an apocalyptic number.

1365249268003 is a deficient number, since it is larger than the sum of its proper divisors (25759420205).

1365249268003 is an equidigital number, since it uses as much as digits as its factorization.

1365249268003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25759420204.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 1365249268003 in words is "one trillion, three hundred sixty-five billion, two hundred forty-nine million, two hundred sixty-eight thousand, three".