3635950642 has 8 divisors (see below), whose sum is σ = 5515206300. Its totient is φ = 1797548544.

The previous prime is 3635950631. The next prime is 3635950649. The reversal of 3635950642 is 2460595363.

It can be written as a sum of positive squares in 2 ways, for example, as 3427985401 + 207965241 = 58549^2 + 14421^2 .

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 (3635950649) 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, 10213167 + ... + 10213522.

Almost surely, 2^3635950642 is an apocalyptic number.

3635950642 is a deficient number, since it is larger than the sum of its proper divisors (1879255658).

3635950642 is a wasteful number, since it uses less digits than its factorization.

3635950642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426780.

The product of its (nonzero) digits is 583200, while the sum is 43.

The square root of 3635950642 is about 60298.8444499561. The cubic root of 3635950642 is about 1537.7037011443.

The spelling of 3635950642 in words is "three billion, six hundred thirty-five million, nine hundred fifty thousand, six hundred forty-two".