43673400670001 has 4 divisors (see below), whose sum is σ = 43694673638772. Its totient is φ = 43652127701232.

The previous prime is 43673400669989. The next prime is 43673400670069. The reversal of 43673400670001 is 10007600437634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17986759566400 + 25686641103601 = 4241080^2 + 5068199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43673400670001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43673400670201) 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, 10636481306 + ... + 10636485411.

It is an arithmetic number, because the mean of its divisors is an integer number (10923668409693).

Almost surely, 2^{43673400670001} is an apocalyptic number.

It is an amenable number.

43673400670001 is a deficient number, since it is larger than the sum of its proper divisors (21272968771).

43673400670001 is a wasteful number, since it uses less digits than its factorization.

43673400670001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272968770.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 43673400670001 in words is "forty-three trillion, six hundred seventy-three billion, four hundred million, six hundred seventy thousand, one".