6617540383 has 2 divisors, whose sum is σ = 6617540384. Its totient is φ = 6617540382.

The previous prime is 6617540351. The next prime is 6617540401. The reversal of 6617540383 is 3830457166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6617540383 - 2⁵ = 6617540351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6617540323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308770191 + 3308770192.

It is an arithmetic number, because the mean of its divisors is an integer number (3308770192).

Almost surely, 2^6617540383 is an apocalyptic number.

6617540383 is a deficient number, since it is larger than the sum of its proper divisors (1).

6617540383 is an equidigital number, since it uses as much as digits as its factorization.

6617540383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 6617540383 is about 81348.2660110220. The cubic root of 6617540383 is about 1877.4376953124.

The spelling of 6617540383 in words is "six billion, six hundred seventeen million, five hundred forty thousand, three hundred eighty-three".