263040347422 has 4 divisors (see below), whose sum is σ = 394560521136. Its totient is φ = 131520173710.

The previous prime is 263040347417. The next prime is 263040347441. The reversal of 263040347422 is 224743040362.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65760086854 + ... + 65760086857.

It is an arithmetic number, because the mean of its divisors is an integer number (98640130284).

Almost surely, 2^263040347422 is an apocalyptic number.

263040347422 is a deficient number, since it is larger than the sum of its proper divisors (131520173714).

263040347422 is a wasteful number, since it uses less digits than its factorization.

263040347422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131520173713.

The product of its (nonzero) digits is 193536, while the sum is 37.

Adding to 263040347422 its reverse (224743040362), we get a palindrome (487783387784).

The spelling of 263040347422 in words is "two hundred sixty-three billion, forty million, three hundred forty-seven thousand, four hundred twenty-two".