4240344973 has 2 divisors, whose sum is σ = 4240344974. Its totient is φ = 4240344972.

The previous prime is 4240344971. The next prime is 4240345061. The reversal of 4240344973 is 3794430424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3924145449 + 316199524 = 62643^2 + 17782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240344973 - 2¹ = 4240344971 is a prime.

Together with 4240344971, 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 (4240344971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120172486 + 2120172487.

It is an arithmetic number, because the mean of its divisors is an integer number (2120172487).

Almost surely, 2^4240344973 is an apocalyptic number.

It is an amenable number.

4240344973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240344973 is an equidigital number, since it uses as much as digits as its factorization.

4240344973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 40.

The square root of 4240344973 is about 65117.9312708873. The cubic root of 4240344973 is about 1618.5783612174.

The spelling of 4240344973 in words is "four billion, two hundred forty million, three hundred forty-four thousand, nine hundred seventy-three".