263000425335545 has 4 divisors (see below), whose sum is σ = 315600510402660. Its totient is φ = 210400340268432.

The previous prime is 263000425335523. The next prime is 263000425335551. The reversal of 263000425335545 is 545533524000362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187171648982761 + 75828776352784 = 13681069^2 + 8707972^2 .

It is a cyclic number.

It is not a de Polignac number, because 263000425335545 - 2¹⁴ = 263000425319161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263000425335545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26300042533550 + ... + 26300042533559.

It is an arithmetic number, because the mean of its divisors is an integer number (78900127600665).

Almost surely, 2^{263000425335545} is an apocalyptic number.

It is an amenable number.

263000425335545 is a deficient number, since it is larger than the sum of its proper divisors (52600085067115).

263000425335545 is an equidigital number, since it uses as much as digits as its factorization.

263000425335545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52600085067114.

The product of its (nonzero) digits is 6480000, while the sum is 47.

The spelling of 263000425335545 in words is "two hundred sixty-three trillion, four hundred twenty-five million, three hundred thirty-five thousand, five hundred forty-five".