261602413283 has 2 divisors, whose sum is σ = 261602413284. Its totient is φ = 261602413282.

The previous prime is 261602413181. The next prime is 261602413309. The reversal of 261602413283 is 382314206162.

261602413283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 261602413283 - 2¹⁴ = 261602396899 is a prime.

It is not a weakly prime, because it can be changed into another prime (261602419283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130801206641 + 130801206642.

It is an arithmetic number, because the mean of its divisors is an integer number (130801206642).

Almost surely, 2^261602413283 is an apocalyptic number.

261602413283 is a deficient number, since it is larger than the sum of its proper divisors (1).

261602413283 is an equidigital number, since it uses as much as digits as its factorization.

261602413283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 261602413283 in words is "two hundred sixty-one billion, six hundred two million, four hundred thirteen thousand, two hundred eighty-three".