13410961538 has 18 divisors (see below), whose sum is σ = 21786351849. Its totient is φ = 6188691912.

The previous prime is 13410961537. The next prime is 13410961541. The reversal of 13410961538 is 83516901431.

It can be written as a sum of positive squares in 2 ways, for example, as 11466768889 + 1944192649 = 107083^2 + 44093^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=81887.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13410961495 and 13410961504.

It is not an unprimeable number, because it can be changed into a prime (13410961537) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2125913 + ... + 2132211.

Almost surely, 2^13410961538 is an apocalyptic number.

13410961538 is a deficient number, since it is larger than the sum of its proper divisors (8375390311).

13410961538 is an frugal number, since it uses more digits than its factorization.

13410961538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626 (or 6314 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 13410961538 in words is "thirteen billion, four hundred ten million, nine hundred sixty-one thousand, five hundred thirty-eight".