261473500500763 has 2 divisors, whose sum is σ = 261473500500764. Its totient is φ = 261473500500762.

The previous prime is 261473500500713. The next prime is 261473500500767. The reversal of 261473500500763 is 367005005374162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-261473500500763 is a prime.

It is not a weakly prime, because it can be changed into another prime (261473500500767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130736750250381 + 130736750250382.

It is an arithmetic number, because the mean of its divisors is an integer number (130736750250382).

Almost surely, 2^{261473500500763} is an apocalyptic number.

261473500500763 is a deficient number, since it is larger than the sum of its proper divisors (1).

261473500500763 is an equidigital number, since it uses as much as digits as its factorization.

261473500500763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 261473500500763 in words is "two hundred sixty-one trillion, four hundred seventy-three billion, five hundred million, five hundred thousand, seven hundred sixty-three".