3788606813 has 4 divisors (see below), whose sum is σ = 3910819968. Its totient is φ = 3666393660.

The previous prime is 3788606807. The next prime is 3788606819. The reversal of 3788606813 is 3186068873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3186068873 = 13 ⋅245082221.

It is an interprime number because it is at equal distance from previous prime (3788606807) and next prime (3788606819).

It is a cyclic number.

It is not a de Polignac number, because 3788606813 - 2²⁰ = 3787558237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3788606819) 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 in 3 ways as a sum of consecutive naturals, for example, 61106531 + ... + 61106592.

It is an arithmetic number, because the mean of its divisors is an integer number (977704992).

Almost surely, 2^3788606813 is an apocalyptic number.

It is an amenable number.

3788606813 is a deficient number, since it is larger than the sum of its proper divisors (122213155).

3788606813 is a wasteful number, since it uses less digits than its factorization.

3788606813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122213154.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3788606813 is about 61551.6597095480. The cubic root of 3788606813 is about 1558.9296313283.

The spelling of 3788606813 in words is "three billion, seven hundred eighty-eight million, six hundred six thousand, eight hundred thirteen".