3642530243 has 4 divisors (see below), whose sum is σ = 3973669368. Its totient is φ = 3311391120.

The previous prime is 3642530237. The next prime is 3642530257. The reversal of 3642530243 is 3420352463.

3642530243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420352463 = 11 ⋅310941133.

It is a cyclic number.

It is not a de Polignac number, because 3642530243 - 2⁶ = 3642530179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642530293) 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, 165569546 + ... + 165569567.

It is an arithmetic number, because the mean of its divisors is an integer number (993417342).

Almost surely, 2^3642530243 is an apocalyptic number.

3642530243 is a deficient number, since it is larger than the sum of its proper divisors (331139125).

3642530243 is a wasteful number, since it uses less digits than its factorization.

3642530243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331139124.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 3642530243 is about 60353.3780579016. The cubic root of 3642530243 is about 1538.6306829331.

The spelling of 3642530243 in words is "three billion, six hundred forty-two million, five hundred thirty thousand, two hundred forty-three".