2999805493 has 2 divisors, whose sum is σ = 2999805494. Its totient is φ = 2999805492.

The previous prime is 2999805461. The next prime is 2999805509. The reversal of 2999805493 is 3945089992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2348177764 + 651627729 = 48458^2 + 25527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2999805493 - 2⁵ = 2999805461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2999809493) 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, 1499902746 + 1499902747.

It is an arithmetic number, because the mean of its divisors is an integer number (1499902747).

Almost surely, 2^2999805493 is an apocalyptic number.

It is an amenable number.

2999805493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2999805493 is an equidigital number, since it uses as much as digits as its factorization.

2999805493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The square root of 2999805493 is about 54770.4801238769. The cubic root of 2999805493 is about 1442.2183998963.

The spelling of 2999805493 in words is "two billion, nine hundred ninety-nine million, eight hundred five thousand, four hundred ninety-three".