263531655043 has 2 divisors, whose sum is σ = 263531655044. Its totient is φ = 263531655042.

The previous prime is 263531655041. The next prime is 263531655073. The reversal of 263531655043 is 340556135362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263531655043 - 2¹ = 263531655041 is a prime.

Together with 263531655041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (263531655041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131765827521 + 131765827522.

It is an arithmetic number, because the mean of its divisors is an integer number (131765827522).

Almost surely, 2^263531655043 is an apocalyptic number.

263531655043 is a deficient number, since it is larger than the sum of its proper divisors (1).

263531655043 is an equidigital number, since it uses as much as digits as its factorization.

263531655043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 263531655043 in words is "two hundred sixty-three billion, five hundred thirty-one million, six hundred fifty-five thousand, forty-three".