2235640543 has 2 divisors, whose sum is σ = 2235640544. Its totient is φ = 2235640542.

The previous prime is 2235640501. The next prime is 2235640553. The reversal of 2235640543 is 3450465322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235640543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2235640499 and 2235640508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235640553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117820271 + 1117820272.

It is an arithmetic number, because the mean of its divisors is an integer number (1117820272).

Almost surely, 2^2235640543 is an apocalyptic number.

2235640543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235640543 is an equidigital number, since it uses as much as digits as its factorization.

2235640543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 2235640543 is about 47282.5606645833. The cubic root of 2235640543 is about 1307.5771589649.

The spelling of 2235640543 in words is "two billion, two hundred thirty-five million, six hundred forty thousand, five hundred forty-three".