43605992506379 has 2 divisors, whose sum is σ = 43605992506380. Its totient is φ = 43605992506378.

The previous prime is 43605992506357. The next prime is 43605992506397. The reversal of 43605992506379 is 97360529950634.

Together with next prime (43605992506397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43605992506379 - 2³⁶ = 43537273029643 is a prime.

It is not a weakly prime, because it can be changed into another prime (43605991506379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21802996253189 + 21802996253190.

It is an arithmetic number, because the mean of its divisors is an integer number (21802996253190).

Almost surely, 2^{43605992506379} is an apocalyptic number.

43605992506379 is a deficient number, since it is larger than the sum of its proper divisors (1).

43605992506379 is an equidigital number, since it uses as much as digits as its factorization.

43605992506379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330674400, while the sum is 68.

The spelling of 43605992506379 in words is "forty-three trillion, six hundred five billion, nine hundred ninety-two million, five hundred six thousand, three hundred seventy-nine".