1013267259253 has 4 divisors (see below), whose sum is σ = 1017692007340. Its totient is φ = 1008842511168.

The previous prime is 1013267259239. The next prime is 1013267259271. The reversal of 1013267259253 is 3529527623101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 568188811089 + 445078448164 = 753783^2 + 667142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013267259253 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 (1013267259223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212373700 + ... + 2212374157.

It is an arithmetic number, because the mean of its divisors is an integer number (254423001835).

Almost surely, 2^{1013267259253} is an apocalyptic number.

It is an amenable number.

1013267259253 is a deficient number, since it is larger than the sum of its proper divisors (4424748087).

1013267259253 is an equidigital number, since it uses as much as digits as its factorization.

1013267259253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424748086.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 1013267259253 in words is "one trillion, thirteen billion, two hundred sixty-seven million, two hundred fifty-nine thousand, two hundred fifty-three".