43185460979 has 2 divisors, whose sum is σ = 43185460980. Its totient is φ = 43185460978.

The previous prime is 43185460963. The next prime is 43185460987. The reversal of 43185460979 is 97906458134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43185460979 - 2⁴ = 43185460963 is a prime.

It is not a weakly prime, because it can be changed into another prime (43185460919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21592730489 + 21592730490.

It is an arithmetic number, because the mean of its divisors is an integer number (21592730490).

Almost surely, 2^43185460979 is an apocalyptic number.

43185460979 is a deficient number, since it is larger than the sum of its proper divisors (1).

43185460979 is an equidigital number, since it uses as much as digits as its factorization.

43185460979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 43185460979 in words is "forty-three billion, one hundred eighty-five million, four hundred sixty thousand, nine hundred seventy-nine".