3680625194 has 4 divisors (see below), whose sum is σ = 5520937794. Its totient is φ = 1840312596.

The previous prime is 3680625139. The next prime is 3680625197. The reversal of 3680625194 is 4915260863.

3680625194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4915260863 = 53 ⋅92740771.

It can be written as a sum of positive squares in only one way, i.e., 3299008969 + 381616225 = 57437^2 + 19535^2 .

It is not an unprimeable number, because it can be changed into a prime (3680625197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920156297 + ... + 920156300.

Almost surely, 2^3680625194 is an apocalyptic number.

3680625194 is a deficient number, since it is larger than the sum of its proper divisors (1840312600).

3680625194 is a wasteful number, since it uses less digits than its factorization.

3680625194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840312599.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 3680625194 is about 60668.1563425163. The cubic root of 3680625194 is about 1543.9759511610.

The spelling of 3680625194 in words is "three billion, six hundred eighty million, six hundred twenty-five thousand, one hundred ninety-four".