2546404243 has 2 divisors, whose sum is σ = 2546404244. Its totient is φ = 2546404242.

The previous prime is 2546404207. The next prime is 2546404249. The reversal of 2546404243 is 3424046452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2546404243 - 2²⁵ = 2512849811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2546404199 and 2546404208.

It is not a weakly prime, because it can be changed into another prime (2546404249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273202121 + 1273202122.

It is an arithmetic number, because the mean of its divisors is an integer number (1273202122).

Almost surely, 2^2546404243 is an apocalyptic number.

2546404243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546404243 is an equidigital number, since it uses as much as digits as its factorization.

2546404243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 2546404243 is about 50461.9088323064. The cubic root of 2546404243 is about 1365.5547473896.

The spelling of 2546404243 in words is "two billion, five hundred forty-six million, four hundred four thousand, two hundred forty-three".