43454260061 has 4 divisors (see below), whose sum is σ = 45741326400. Its totient is φ = 41167193724.

The previous prime is 43454260051. The next prime is 43454260067. The reversal of 43454260061 is 16006245434.

43454260061 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43454260061 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 (43454260067) 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, 1143533141 + ... + 1143533178.

It is an arithmetic number, because the mean of its divisors is an integer number (11435331600).

Almost surely, 2^43454260061 is an apocalyptic number.

It is an amenable number.

43454260061 is a deficient number, since it is larger than the sum of its proper divisors (2287066339).

43454260061 is a wasteful number, since it uses less digits than its factorization.

43454260061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287066338.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 43454260061 in words is "forty-three billion, four hundred fifty-four million, two hundred sixty thousand, sixty-one".