6762720049 has 2 divisors, whose sum is σ = 6762720050. Its totient is φ = 6762720048.

The previous prime is 6762719983. The next prime is 6762720079. The reversal of 6762720049 is 9400272676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5847355024 + 915365025 = 76468^2 + 30255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6762720049 is a prime.

It is a super-2 number, since 2×6762720049² = 91468764922293124802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6762719987 and 6762720014.

It is not a weakly prime, because it can be changed into another prime (6762720079) 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 as a sum of consecutive naturals, namely, 3381360024 + 3381360025.

It is an arithmetic number, because the mean of its divisors is an integer number (3381360025).

Almost surely, 2^6762720049 is an apocalyptic number.

It is an amenable number.

6762720049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6762720049 is an equidigital number, since it uses as much as digits as its factorization.

6762720049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 6762720049 is about 82235.7589434183. The cubic root of 6762720049 is about 1891.0679601100.

The spelling of 6762720049 in words is "six billion, seven hundred sixty-two million, seven hundred twenty thousand, forty-nine".