2047345543 has 2 divisors, whose sum is σ = 2047345544. Its totient is φ = 2047345542.

The previous prime is 2047345477. The next prime is 2047345561. The reversal of 2047345543 is 3455437402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2047345543 - 2⁹ = 2047345031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047340543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023672771 + 1023672772.

It is an arithmetic number, because the mean of its divisors is an integer number (1023672772).

Almost surely, 2^2047345543 is an apocalyptic number.

2047345543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047345543 is an equidigital number, since it uses as much as digits as its factorization.

2047345543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 37.

The square root of 2047345543 is about 45247.6026215754. The cubic root of 2047345543 is about 1269.7855555835.

The spelling of 2047345543 in words is "two billion, forty-seven million, three hundred forty-five thousand, five hundred forty-three".