43001796979 has 2 divisors, whose sum is σ = 43001796980. Its totient is φ = 43001796978.

The previous prime is 43001796977. The next prime is 43001797019. The reversal of 43001796979 is 97969710034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43001796979 - 2¹ = 43001796977 is a prime.

Together with 43001796977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43001796977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21500898489 + 21500898490.

It is an arithmetic number, because the mean of its divisors is an integer number (21500898490).

Almost surely, 2^43001796979 is an apocalyptic number.

43001796979 is a deficient number, since it is larger than the sum of its proper divisors (1).

43001796979 is an equidigital number, since it uses as much as digits as its factorization.

43001796979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 43001796979 in words is "forty-three billion, one million, seven hundred ninety-six thousand, nine hundred seventy-nine".