3768661417 has 4 divisors (see below), whose sum is σ = 3787791876. Its totient is φ = 3749530960.

The previous prime is 3768661409. The next prime is 3768661423. The reversal of 3768661417 is 7141668673.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2159367961 + 1609293456 = 46469^2 + 40116^2 .

It is a cyclic number.

It is not a de Polignac number, because 3768661417 - 2³ = 3768661409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3768668417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9564934 + ... + 9565327.

It is an arithmetic number, because the mean of its divisors is an integer number (946947969).

Almost surely, 2^3768661417 is an apocalyptic number.

It is an amenable number.

3768661417 is a deficient number, since it is larger than the sum of its proper divisors (19130459).

3768661417 is a wasteful number, since it uses less digits than its factorization.

3768661417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19130458.

The product of its digits is 1016064, while the sum is 49.

The square root of 3768661417 is about 61389.4243090779. The cubic root of 3768661417 is about 1556.1891170152.

The spelling of 3768661417 in words is "three billion, seven hundred sixty-eight million, six hundred sixty-one thousand, four hundred seventeen".