4491386959 has 2 divisors, whose sum is σ = 4491386960. Its totient is φ = 4491386958.

The previous prime is 4491386957. The next prime is 4491387001. The reversal of 4491386959 is 9596831944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4491386959 - 2¹ = 4491386957 is a prime.

Together with 4491386957, 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 (4491386957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245693479 + 2245693480.

It is an arithmetic number, because the mean of its divisors is an integer number (2245693480).

Almost surely, 2^4491386959 is an apocalyptic number.

4491386959 is a deficient number, since it is larger than the sum of its proper divisors (1).

4491386959 is an equidigital number, since it uses as much as digits as its factorization.

4491386959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 58.

The square root of 4491386959 is about 67017.8107595287. The cubic root of 4491386959 is about 1649.9096319041.

The spelling of 4491386959 in words is "four billion, four hundred ninety-one million, three hundred eighty-six thousand, nine hundred fifty-nine".