3725811658 has 8 divisors (see below), whose sum is σ = 5603085540. Its totient is φ = 1858116480.

The previous prime is 3725811641. The next prime is 3725811659. The reversal of 3725811658 is 8561185273.

It can be written as a sum of positive squares in 2 ways, for example, as 3701140569 + 24671089 = 60837^2 + 4967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3725811659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393703 + ... + 2395258.

Almost surely, 2^3725811658 is an apocalyptic number.

3725811658 is a deficient number, since it is larger than the sum of its proper divisors (1877273882).

3725811658 is a wasteful number, since it uses less digits than its factorization.

3725811658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789352.

The product of its digits is 403200, while the sum is 46.

The square root of 3725811658 is about 61039.4270779142. The cubic root of 3725811658 is about 1550.2686538144.

The spelling of 3725811658 in words is "three billion, seven hundred twenty-five million, eight hundred eleven thousand, six hundred fifty-eight".