3726103681 has 4 divisors (see below), whose sum is σ = 3726522112. Its totient is φ = 3725685252.

The previous prime is 3726103631. The next prime is 3726103691. The reversal of 3726103681 is 1863016273.

3726103681 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3726103681 - 2²⁵ = 3692549249 is a prime.

It is a super-2 number, since 2×3726103681² = 27767697283123499522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3726103681.

It is not an unprimeable number, because it can be changed into a prime (3726103631) 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, 195561 + ... + 213766.

It is an arithmetic number, because the mean of its divisors is an integer number (931630528).

Almost surely, 2^3726103681 is an apocalyptic number.

It is an amenable number.

3726103681 is a deficient number, since it is larger than the sum of its proper divisors (418431).

3726103681 is an equidigital number, since it uses as much as digits as its factorization.

3726103681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418430.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3726103681 is about 61041.8191160781. The cubic root of 3726103681 is about 1550.3091552601.

The spelling of 3726103681 in words is "three billion, seven hundred twenty-six million, one hundred three thousand, six hundred eighty-one".