5816680949 has 2 divisors, whose sum is σ = 5816680950. Its totient is φ = 5816680948.

The previous prime is 5816680937. The next prime is 5816680999. The reversal of 5816680949 is 9490866185.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3314880625 + 2501800324 = 57575^2 + 50018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5816680949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5816680894 and 5816680903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5816680999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2908340474 + 2908340475.

It is an arithmetic number, because the mean of its divisors is an integer number (2908340475).

Almost surely, 2^5816680949 is an apocalyptic number.

It is an amenable number.

5816680949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5816680949 is an equidigital number, since it uses as much as digits as its factorization.

5816680949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The square root of 5816680949 is about 76267.1682246037. The cubic root of 5816680949 is about 1798.4225839941.

The spelling of 5816680949 in words is "five billion, eight hundred sixteen million, six hundred eighty thousand, nine hundred forty-nine".