7749335313 has 8 divisors (see below), whose sum is σ = 11480496800. Its totient is φ = 5166223524.

The previous prime is 7749335309. The next prime is 7749335317. The reversal of 7749335313 is 3135339477.

7749335313 is a `hidden beast` number, since 77 + 49 + 3 + 3 + 531 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (7749335309) and next prime (7749335317).

It is not a de Polignac number, because 7749335313 - 2² = 7749335309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7749335317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143506183 + ... + 143506236.

It is an arithmetic number, because the mean of its divisors is an integer number (1435062100).

Almost surely, 2^7749335313 is an apocalyptic number.

It is an amenable number.

7749335313 is a deficient number, since it is larger than the sum of its proper divisors (3731161487).

7749335313 is a wasteful number, since it uses less digits than its factorization.

7749335313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287012428 (or 287012422 counting only the distinct ones).

The product of its digits is 714420, while the sum is 45.

The square root of 7749335313 is about 88030.3090588690. The cubic root of 7749335313 is about 1978.8892277582.

The spelling of 7749335313 in words is "seven billion, seven hundred forty-nine million, three hundred thirty-five thousand, three hundred thirteen".