263520050378687 has 2 divisors, whose sum is σ = 263520050378688. Its totient is φ = 263520050378686.

The previous prime is 263520050378671. The next prime is 263520050378719. The reversal of 263520050378687 is 786873050025362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263520050378687 - 2⁴ = 263520050378671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263520050372687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131760025189343 + 131760025189344.

It is an arithmetic number, because the mean of its divisors is an integer number (131760025189344).

Almost surely, 2^{263520050378687} is an apocalyptic number.

263520050378687 is a deficient number, since it is larger than the sum of its proper divisors (1).

263520050378687 is an equidigital number, since it uses as much as digits as its factorization.

263520050378687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 263520050378687 in words is "two hundred sixty-three trillion, five hundred twenty billion, fifty million, three hundred seventy-eight thousand, six hundred eighty-seven".