7945353317 has 6 divisors (see below), whose sum is σ = 8733322374. Its totient is φ = 7223048360.

The previous prime is 7945353287. The next prime is 7945353389. The reversal of 7945353317 is 7133535497.

It can be written as a sum of positive squares in only one way, i.e., 7645578721 + 299774596 = 87439^2 + 17314^2 .

It is not a de Polignac number, because 7945353317 - 2⁸ = 7945353061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945350317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32831918 + ... + 32832159.

It is an arithmetic number, because the mean of its divisors is an integer number (1455553729).

Almost surely, 2^7945353317 is an apocalyptic number.

It is an amenable number.

7945353317 is a deficient number, since it is larger than the sum of its proper divisors (787969057).

7945353317 is a wasteful number, since it uses less digits than its factorization.

7945353317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65664099 (or 65664088 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 47.

The square root of 7945353317 is about 89136.7113876208. The cubic root of 7945353317 is about 1995.4357012625.

The spelling of 7945353317 in words is "seven billion, nine hundred forty-five million, three hundred fifty-three thousand, three hundred seventeen".