3680761849 has 2 divisors, whose sum is σ = 3680761850. Its totient is φ = 3680761848.

The previous prime is 3680761831. The next prime is 3680761883. The reversal of 3680761849 is 9481670863.

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., 3020271849 + 660490000 = 54957^2 + 25700^2 .

It is a cyclic number.

It is not a de Polignac number, because 3680761849 - 2²³ = 3672373241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3680761796 and 3680761805.

It is not a weakly prime, because it can be changed into another prime (3680761549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840380924 + 1840380925.

It is an arithmetic number, because the mean of its divisors is an integer number (1840380925).

Almost surely, 2^3680761849 is an apocalyptic number.

It is an amenable number.

3680761849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3680761849 is an equidigital number, since it uses as much as digits as its factorization.

3680761849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 3680761849 is about 60669.2825818799. The cubic root of 3680761849 is about 1543.9950592755.

The spelling of 3680761849 in words is "three billion, six hundred eighty million, seven hundred sixty-one thousand, eight hundred forty-nine".