6311296745 has 16 divisors (see below), whose sum is σ = 8230973520. Its totient is φ = 4617886464.

The previous prime is 6311296721. The next prime is 6311296751. The reversal of 6311296745 is 5476921136.

It can be written as a sum of positive squares in 8 ways, for example, as 12652249 + 6298644496 = 3557^2 + 79364^2 .

It is a cyclic number.

It is not a de Polignac number, because 6311296745 - 2⁸ = 6311296489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6311296696 and 6311296705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438314 + ... + 452483.

It is an arithmetic number, because the mean of its divisors is an integer number (514435845).

Almost surely, 2^6311296745 is an apocalyptic number.

6311296745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6311296745 is a deficient number, since it is larger than the sum of its proper divisors (1919676775).

6311296745 is a wasteful number, since it uses less digits than its factorization.

6311296745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890924.

The product of its digits is 272160, while the sum is 44.

The square root of 6311296745 is about 79443.6702639046. The cubic root of 6311296745 is about 1848.0180132339.

The spelling of 6311296745 in words is "six billion, three hundred eleven million, two hundred ninety-six thousand, seven hundred forty-five".