43676705609479 has 2 divisors, whose sum is σ = 43676705609480. Its totient is φ = 43676705609478.

The previous prime is 43676705609477. The next prime is 43676705609501. The reversal of 43676705609479 is 97490650767634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43676705609479 - 2¹ = 43676705609477 is a prime.

It is a super-2 number, since 2×43676705609479² (a number of 28 digits) contains 22 as substring.

Together with 43676705609477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43676705609477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21838352804739 + 21838352804740.

It is an arithmetic number, because the mean of its divisors is an integer number (21838352804740).

Almost surely, 2^{43676705609479} is an apocalyptic number.

43676705609479 is a deficient number, since it is larger than the sum of its proper divisors (1).

43676705609479 is an equidigital number, since it uses as much as digits as its factorization.

43676705609479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440270720, while the sum is 73.

The spelling of 43676705609479 in words is "forty-three trillion, six hundred seventy-six billion, seven hundred five million, six hundred nine thousand, four hundred seventy-nine".