263226547645396 has 12 divisors (see below), whose sum is σ = 468454025471040. Its totient is φ = 129382540367960.

The previous prime is 263226547645381. The next prime is 263226547645403. The reversal of 263226547645396 is 693546745622362.

It is a happy number.

It is a super-3 number, since 3×263226547645396³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

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, 557683363420 + ... + 557683363891.

It is an arithmetic number, because the mean of its divisors is an integer number (39037835455920).

Almost surely, 2^{263226547645396} is an apocalyptic number.

It is an amenable number.

263226547645396 is a deficient number, since it is larger than the sum of its proper divisors (205227477825644).

263226547645396 is a wasteful number, since it uses less digits than its factorization.

263226547645396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115366727374 (or 1115366727372 counting only the distinct ones).

The product of its digits is 2351462400, while the sum is 70.

The spelling of 263226547645396 in words is "two hundred sixty-three trillion, two hundred twenty-six billion, five hundred forty-seven million, six hundred forty-five thousand, three hundred ninety-six".