4539890203 has 2 divisors, whose sum is σ = 4539890204. Its totient is φ = 4539890202.

The previous prime is 4539890183. The next prime is 4539890237. The reversal of 4539890203 is 3020989354.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4539890203 is a prime.

It is a super-2 number, since 2×4539890203² = 41221206110590762418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4539890203.

It is not a weakly prime, because it can be changed into another prime (4539890503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269945101 + 2269945102.

It is an arithmetic number, because the mean of its divisors is an integer number (2269945102).

Almost surely, 2^4539890203 is an apocalyptic number.

4539890203 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539890203 is an equidigital number, since it uses as much as digits as its factorization.

4539890203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 4539890203 is about 67378.7073414146. The cubic root of 4539890203 is about 1655.8275970246.

The spelling of 4539890203 in words is "four billion, five hundred thirty-nine million, eight hundred ninety thousand, two hundred three".