261602544382483 has 2 divisors, whose sum is σ = 261602544382484. Its totient is φ = 261602544382482.

The previous prime is 261602544382457. The next prime is 261602544382493. The reversal of 261602544382483 is 384283445206162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-261602544382483 is a prime.

It is not a weakly prime, because it can be changed into another prime (261602544382453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130801272191241 + 130801272191242.

It is an arithmetic number, because the mean of its divisors is an integer number (130801272191242).

Almost surely, 2^{261602544382483} is an apocalyptic number.

261602544382483 is a deficient number, since it is larger than the sum of its proper divisors (1).

261602544382483 is an equidigital number, since it uses as much as digits as its factorization.

261602544382483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53084160, while the sum is 58.

The spelling of 261602544382483 in words is "two hundred sixty-one trillion, six hundred two billion, five hundred forty-four million, three hundred eighty-two thousand, four hundred eighty-three".