3630726403 has 4 divisors (see below), whose sum is σ = 3631103008. Its totient is φ = 3630349800.

The previous prime is 3630726389. The next prime is 3630726481. The reversal of 3630726403 is 3046270363.

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

It is a cyclic number.

It is not a de Polignac number, because 3630726403 - 2¹³ = 3630718211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630726493) 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, 173451 + ... + 193252.

It is an arithmetic number, because the mean of its divisors is an integer number (907775752).

Almost surely, 2^3630726403 is an apocalyptic number.

3630726403 is a deficient number, since it is larger than the sum of its proper divisors (376605).

3630726403 is an equidigital number, since it uses as much as digits as its factorization.

3630726403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376604.

The product of its (nonzero) digits is 54432, while the sum is 34.

The square root of 3630726403 is about 60255.5093165762. The cubic root of 3630726403 is about 1536.9668757563.

Adding to 3630726403 its reverse (3046270363), we get a palindrome (6676996766).

The spelling of 3630726403 in words is "three billion, six hundred thirty million, seven hundred twenty-six thousand, four hundred three".