13403013961 has 4 divisors (see below), whose sum is σ = 13508549632. Its totient is φ = 13297478292.

The previous prime is 13403013941. The next prime is 13403013983. The reversal of 13403013961 is 16931030431.

13403013961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16931030431 = 7 ⋅2418718633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403013961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13403013901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52767645 + ... + 52767898.

It is an arithmetic number, because the mean of its divisors is an integer number (3377137408).

Almost surely, 2^13403013961 is an apocalyptic number.

It is an amenable number.

13403013961 is a deficient number, since it is larger than the sum of its proper divisors (105535671).

13403013961 is a wasteful number, since it uses less digits than its factorization.

13403013961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105535670.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 13403013961 in words is "thirteen billion, four hundred three million, thirteen thousand, nine hundred sixty-one".