3642262641 has 6 divisors (see below), whose sum is σ = 5261046050. Its totient is φ = 2428175088.

The previous prime is 3642262639. The next prime is 3642262667. The reversal of 3642262641 is 1462622463.

3642262641 is a `hidden beast` number, since 3 + 6 + 4 + 2 + 2 + 6 + 2 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3209789025 + 432473616 = 56655^2 + 20796^2 .

It is not a de Polignac number, because 3642262641 - 2¹ = 3642262639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3642262596 and 3642262605.

It is not an unprimeable number, because it can be changed into a prime (3642260641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202347916 + ... + 202347933.

Almost surely, 2^3642262641 is an apocalyptic number.

It is an amenable number.

3642262641 is a deficient number, since it is larger than the sum of its proper divisors (1618783409).

3642262641 is a wasteful number, since it uses less digits than its factorization.

3642262641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404695855 (or 404695852 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 3642262641 is about 60351.1610575969. The cubic root of 3642262641 is about 1538.5930030143.

The spelling of 3642262641 in words is "three billion, six hundred forty-two million, two hundred sixty-two thousand, six hundred forty-one".