4155743309 has 2 divisors, whose sum is σ = 4155743310. Its totient is φ = 4155743308.

The previous prime is 4155743237. The next prime is 4155743321. The reversal of 4155743309 is 9033475514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3091026409 + 1064716900 = 55597^2 + 32630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4155743309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4155743359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077871654 + 2077871655.

It is an arithmetic number, because the mean of its divisors is an integer number (2077871655).

Almost surely, 2^4155743309 is an apocalyptic number.

It is an amenable number.

4155743309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155743309 is an equidigital number, since it uses as much as digits as its factorization.

4155743309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 4155743309 is about 64465.0549445201. The cubic root of 4155743309 is about 1607.7415589463.

The spelling of 4155743309 in words is "four billion, one hundred fifty-five million, seven hundred forty-three thousand, three hundred nine".