3768866513 has 16 divisors (see below), whose sum is σ = 3895224960. Its totient is φ = 3645202176.

The previous prime is 3768866489. The next prime is 3768866551. The reversal of 3768866513 is 3156688673.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3768866513 - 2⁶ = 3768866449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3768866113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822956 + ... + 827522.

It is an arithmetic number, because the mean of its divisors is an integer number (243451560).

Almost surely, 2^3768866513 is an apocalyptic number.

It is an amenable number.

3768866513 is a deficient number, since it is larger than the sum of its proper divisors (126358447).

3768866513 is a wasteful number, since it uses less digits than its factorization.

3768866513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856.

The product of its digits is 4354560, while the sum is 53.

The square root of 3768866513 is about 61391.0947369405. The cubic root of 3768866513 is about 1556.2173465232.

The spelling of 3768866513 in words is "three billion, seven hundred sixty-eight million, eight hundred sixty-six thousand, five hundred thirteen".