263213552144 has 10 divisors (see below), whose sum is σ = 509976257310. Its totient is φ = 131606776064.

The previous prime is 263213552137. The next prime is 263213552153. The reversal of 263213552144 is 441255312362.

It can be written as a sum of positive squares in only one way, i.e., 250512262144 + 12701290000 = 500512^2 + 112700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 263213552098 and 263213552107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225423489 + ... + 8225423520.

It is an arithmetic number, because the mean of its divisors is an integer number (50997625731).

Almost surely, 2^263213552144 is an apocalyptic number.

It is an amenable number.

263213552144 is a deficient number, since it is larger than the sum of its proper divisors (246762705166).

263213552144 is a wasteful number, since it uses less digits than its factorization.

263213552144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450847017 (or 16450847011 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The spelling of 263213552144 in words is "two hundred sixty-three billion, two hundred thirteen million, five hundred fifty-two thousand, one hundred forty-four".