4263645043 has 4 divisors (see below), whose sum is σ = 4872737200. Its totient is φ = 3654552888.

The previous prime is 4263645037. The next prime is 4263645073. The reversal of 4263645043 is 3405463624.

It is a happy number.

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

It is not a de Polignac number, because 4263645043 - 2⁹ = 4263644531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4263644993 and 4263645011.

It is not an unprimeable number, because it can be changed into a prime (4263645073) 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, 304546068 + ... + 304546081.

It is an arithmetic number, because the mean of its divisors is an integer number (1218184300).

Almost surely, 2^4263645043 is an apocalyptic number.

4263645043 is a deficient number, since it is larger than the sum of its proper divisors (609092157).

4263645043 is an equidigital number, since it uses as much as digits as its factorization.

4263645043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609092156.

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 4263645043 is about 65296.5928896753. The cubic root of 4263645043 is about 1621.5375641191.

The spelling of 4263645043 in words is "four billion, two hundred sixty-three million, six hundred forty-five thousand, forty-three".