4153973909 has 2 divisors, whose sum is σ = 4153973910. Its totient is φ = 4153973908.

The previous prime is 4153973839. The next prime is 4153973921. The reversal of 4153973909 is 9093793514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3738711025 + 415262884 = 61145^2 + 20378^2 .

It is a cyclic number.

It is not a de Polignac number, because 4153973909 - 2⁸ = 4153973653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4153973939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076986954 + 2076986955.

It is an arithmetic number, because the mean of its divisors is an integer number (2076986955).

Almost surely, 2^4153973909 is an apocalyptic number.

It is an amenable number.

4153973909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4153973909 is an equidigital number, since it uses as much as digits as its factorization.

4153973909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 4153973909 is about 64451.3297690591. The cubic root of 4153973909 is about 1607.5133493309.

The spelling of 4153973909 in words is "four billion, one hundred fifty-three million, nine hundred seventy-three thousand, nine hundred nine".