263061322401 has 16 divisors (see below), whose sum is σ = 351741279296. Its totient is φ = 174877932096.

The previous prime is 263061322399. The next prime is 263061322471. The reversal of 263061322401 is 104223160362.

It is not a de Polignac number, because 263061322401 - 2¹ = 263061322399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263061322471) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 10072506 + ... + 10098588.

It is an arithmetic number, because the mean of its divisors is an integer number (21983829956).

Almost surely, 2^263061322401 is an apocalyptic number.

It is an amenable number.

263061322401 is a deficient number, since it is larger than the sum of its proper divisors (88679956895).

263061322401 is a wasteful number, since it uses less digits than its factorization.

263061322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35472.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 263061322401 its reverse (104223160362), we get a palindrome (367284482763).

The spelling of 263061322401 in words is "two hundred sixty-three billion, sixty-one million, three hundred twenty-two thousand, four hundred one".