3680750691 has 6 divisors (see below), whose sum is σ = 5316639900. Its totient is φ = 2453833788.

The previous prime is 3680750681. The next prime is 3680750693. The reversal of 3680750691 is 1960570863.

It is a happy number.

It is not a de Polignac number, because 3680750691 - 2¹⁷ = 3680619619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3680750693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204486141 + ... + 204486158.

It is an arithmetic number, because the mean of its divisors is an integer number (886106650).

Almost surely, 2^3680750691 is an apocalyptic number.

3680750691 is a deficient number, since it is larger than the sum of its proper divisors (1635889209).

3680750691 is a wasteful number, since it uses less digits than its factorization.

3680750691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408972305 (or 408972302 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 3680750691 is about 60669.1906242369. The cubic root of 3680750691 is about 1543.9934990990.

The spelling of 3680750691 in words is "three billion, six hundred eighty million, seven hundred fifty thousand, six hundred ninety-one".