3642260643 has 24 divisors (see below), whose sum is σ = 6014777600. Its totient is φ = 2080545264.

The previous prime is 3642260641. The next prime is 3642260717. The reversal of 3642260643 is 3460622463.

3642260643 is a `hidden beast` number, since 3 + 6 + 4 + 2 + 2 + 6 + 0 + 643 = 666.

3642260643 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3642260643 - 2¹ = 3642260641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3642260598 and 3642260607.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200388 + ... + 217806.

Almost surely, 2^3642260643 is an apocalyptic number.

3642260643 is a deficient number, since it is larger than the sum of its proper divisors (2372516957).

3642260643 is a wasteful number, since it uses less digits than its factorization.

3642260643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20751 (or 20748 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 3642260643 is about 60351.1445044748. The cubic root of 3642260643 is about 1538.5927216773.

The spelling of 3642260643 in words is "three billion, six hundred forty-two million, two hundred sixty thousand, six hundred forty-three".