43368419961 has 48 divisors (see below), whose sum is σ = 66867673600. Its totient is φ = 27007478784.

The previous prime is 43368419957. The next prime is 43368419989. The reversal of 43368419961 is 16991486334.

43368419961 is a `hidden beast` number, since 433 + 68 + 4 + 1 + 99 + 61 = 666.

43368419961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43368419961 - 2² = 43368419957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43368419898 and 43368419907.

It is not an unprimeable number, because it can be changed into a prime (43368419911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4589880 + ... + 4599318.

Almost surely, 2^43368419961 is an apocalyptic number.

It is an amenable number.

43368419961 is a deficient number, since it is larger than the sum of its proper divisors (23499253639).

43368419961 is a wasteful number, since it uses less digits than its factorization.

43368419961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838 (or 9835 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 43368419961 in words is "forty-three billion, three hundred sixty-eight million, four hundred nineteen thousand, nine hundred sixty-one".