2151403543 has 2 divisors, whose sum is σ = 2151403544. Its totient is φ = 2151403542.

The previous prime is 2151403531. The next prime is 2151403561. The reversal of 2151403543 is 3453041512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151403543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151403343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075701771 + 1075701772.

It is an arithmetic number, because the mean of its divisors is an integer number (1075701772).

Almost surely, 2^2151403543 is an apocalyptic number.

2151403543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151403543 is an equidigital number, since it uses as much as digits as its factorization.

2151403543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2151403543 is about 46383.2248016457. The cubic root of 2151403543 is about 1290.9436724268.

The spelling of 2151403543 in words is "two billion, one hundred fifty-one million, four hundred three thousand, five hundred forty-three".