261446463043 has 2 divisors, whose sum is σ = 261446463044. Its totient is φ = 261446463042.

The previous prime is 261446463023. The next prime is 261446463067. The reversal of 261446463043 is 340364644162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261446463043 - 2²⁹ = 260909592131 is a prime.

It is not a weakly prime, because it can be changed into another prime (261446463013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130723231521 + 130723231522.

It is an arithmetic number, because the mean of its divisors is an integer number (130723231522).

Almost surely, 2^261446463043 is an apocalyptic number.

261446463043 is a deficient number, since it is larger than the sum of its proper divisors (1).

261446463043 is an equidigital number, since it uses as much as digits as its factorization.

261446463043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 261446463043 in words is "two hundred sixty-one billion, four hundred forty-six million, four hundred sixty-three thousand, forty-three".