4273525643 has 4 divisors (see below), whose sum is σ = 4311344568. Its totient is φ = 4235706720.

The previous prime is 4273525601. The next prime is 4273525667. The reversal of 4273525643 is 3465253724.

It is a happy number.

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 4273525643 - 2¹⁴ = 4273509259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4273525643.

It is not an unprimeable number, because it can be changed into a prime (4273525043) 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, 18909293 + ... + 18909518.

It is an arithmetic number, because the mean of its divisors is an integer number (1077836142).

Almost surely, 2^4273525643 is an apocalyptic number.

4273525643 is a deficient number, since it is larger than the sum of its proper divisors (37818925).

4273525643 is a wasteful number, since it uses less digits than its factorization.

4273525643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37818924.

The product of its digits is 604800, while the sum is 41.

The square root of 4273525643 is about 65372.2084910706. The cubic root of 4273525643 is about 1622.7891851686.

The spelling of 4273525643 in words is "four billion, two hundred seventy-three million, five hundred twenty-five thousand, six hundred forty-three".