545963843 has 2 divisors, whose sum is σ = 545963844. Its totient is φ = 545963842.

The previous prime is 545963837. The next prime is 545963851. The reversal of 545963843 is 348369545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545963843 - 2²² = 541769539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (545963543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272981921 + 272981922.

It is an arithmetic number, because the mean of its divisors is an integer number (272981922).

Almost surely, 2^545963843 is an apocalyptic number.

545963843 is a deficient number, since it is larger than the sum of its proper divisors (1).

545963843 is an equidigital number, since it uses as much as digits as its factorization.

545963843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 47.

The square root of 545963843 is about 23365.8691899103. The cubic root of 545963843 is about 817.3121605169.

The spelling of 545963843 in words is "five hundred forty-five million, nine hundred sixty-three thousand, eight hundred forty-three".