2909413973 has 2 divisors, whose sum is σ = 2909413974. Its totient is φ = 2909413972.

The previous prime is 2909413961. The next prime is 2909413987. The reversal of 2909413973 is 3793149092.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2838971524 + 70442449 = 53282^2 + 8393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2909413973 - 2³⁰ = 1835672149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2909416973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454706986 + 1454706987.

It is an arithmetic number, because the mean of its divisors is an integer number (1454706987).

Almost surely, 2^2909413973 is an apocalyptic number.

It is an amenable number.

2909413973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2909413973 is an equidigital number, since it uses as much as digits as its factorization.

2909413973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 2909413973 is about 53938.9837965084. The cubic root of 2909413973 is about 1427.5845530483.

The spelling of 2909413973 in words is "two billion, nine hundred nine million, four hundred thirteen thousand, nine hundred seventy-three".