13502250413 has 4 divisors (see below), whose sum is σ = 13626124380. Its totient is φ = 13378376448.

The previous prime is 13502250407. The next prime is 13502250451. The reversal of 13502250413 is 31405220531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31405220531 = 29 ⋅1082938639.

It can be written as a sum of positive squares in 2 ways, for example, as 10982411209 + 2519839204 = 104797^2 + 50198^2 .

It is a cyclic number.

It is not a de Polignac number, because 13502250413 - 2¹⁴ = 13502234029 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 (13502250403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61936820 + ... + 61937037.

It is an arithmetic number, because the mean of its divisors is an integer number (3406531095).

Almost surely, 2^13502250413 is an apocalyptic number.

It is an amenable number.

13502250413 is a deficient number, since it is larger than the sum of its proper divisors (123873967).

13502250413 is a wasteful number, since it uses less digits than its factorization.

13502250413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123873966.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13502250413 its reverse (31405220531), we get a palindrome (44907470944).

The spelling of 13502250413 in words is "thirteen billion, five hundred two million, two hundred fifty thousand, four hundred thirteen".