3753680729 has 2 divisors, whose sum is σ = 3753680730. Its totient is φ = 3753680728.

The previous prime is 3753680719. The next prime is 3753680731. The reversal of 3753680729 is 9270863573.

It is a happy number.

3753680729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2568462400 + 1185218329 = 50680^2 + 34427^2 .

It is an emirp because it is prime and its reverse (9270863573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3753680729 - 2¹⁶ = 3753615193 is a prime.

Together with 3753680731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3753680719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876840364 + 1876840365.

It is an arithmetic number, because the mean of its divisors is an integer number (1876840365).

Almost surely, 2^3753680729 is an apocalyptic number.

It is an amenable number.

3753680729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3753680729 is an equidigital number, since it uses as much as digits as its factorization.

3753680729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 3753680729 is about 61267.2892251648. The cubic root of 3753680729 is about 1554.1243925752.

The spelling of 3753680729 in words is "three billion, seven hundred fifty-three million, six hundred eighty thousand, seven hundred twenty-nine".