3631226641 has 4 divisors (see below), whose sum is σ = 4149973312. Its totient is φ = 3112479972.

The previous prime is 3631226617. The next prime is 3631226699. The reversal of 3631226641 is 1466221363.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1466221363 = 36887 ⋅39749.

It is not a de Polignac number, because 3631226641 - 2²¹ = 3629129489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3631226597 and 3631226606.

It is not an unprimeable number, because it can be changed into a prime (3631226141) 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, 259373325 + ... + 259373338.

It is an arithmetic number, because the mean of its divisors is an integer number (1037493328).

Almost surely, 2^3631226641 is an apocalyptic number.

It is an amenable number.

3631226641 is a deficient number, since it is larger than the sum of its proper divisors (518746671).

3631226641 is an equidigital number, since it uses as much as digits as its factorization.

3631226641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518746670.

The product of its digits is 31104, while the sum is 34.

The square root of 3631226641 is about 60259.6601467350. The cubic root of 3631226641 is about 1537.0374597885.

The spelling of 3631226641 in words is "three billion, six hundred thirty-one million, two hundred twenty-six thousand, six hundred forty-one".