1313440242653 has 32 divisors (see below), whose sum is σ = 1643925583872. Its totient is φ = 1019470910400.

The previous prime is 1313440242613. The next prime is 1313440242659. The reversal of 1313440242653 is 3562420443131.

It is a cyclic number.

It is not a de Polignac number, because 1313440242653 - 2⁶ = 1313440242589 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313440242659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36453275 + ... + 36489287.

It is an arithmetic number, because the mean of its divisors is an integer number (51372674496).

Almost surely, 2^{1313440242653} is an apocalyptic number.

It is an amenable number.

1313440242653 is a deficient number, since it is larger than the sum of its proper divisors (330485341219).

1313440242653 is a wasteful number, since it uses less digits than its factorization.

1313440242653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37865.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 1313440242653 its reverse (3562420443131), we get a palindrome (4875860685784).

The spelling of 1313440242653 in words is "one trillion, three hundred thirteen billion, four hundred forty million, two hundred forty-two thousand, six hundred fifty-three".