3642253823 has 4 divisors (see below), whose sum is σ = 3922427208. Its totient is φ = 3362080440.

The previous prime is 3642253789. The next prime is 3642253831. The reversal of 3642253823 is 3283522463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3642253823 - 2⁶ = 3642253759 is a prime.

It is a super-2 number, since 2×3642253823² = 26532025822316230658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642253843) 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, 140086673 + ... + 140086698.

It is an arithmetic number, because the mean of its divisors is an integer number (980606802).

Almost surely, 2^3642253823 is an apocalyptic number.

3642253823 is a deficient number, since it is larger than the sum of its proper divisors (280173385).

3642253823 is a wasteful number, since it uses less digits than its factorization.

3642253823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280173384.

The product of its digits is 207360, while the sum is 38.

The square root of 3642253823 is about 60351.0880017916. The cubic root of 3642253823 is about 1538.5917613572.

The spelling of 3642253823 in words is "three billion, six hundred forty-two million, two hundred fifty-three thousand, eight hundred twenty-three".