263044135345 has 16 divisors (see below), whose sum is σ = 319166179200. Its totient is φ = 208104847744.

The previous prime is 263044135337. The next prime is 263044135411. The reversal of 263044135345 is 543531440362.

It is a cyclic number.

It is not a de Polignac number, because 263044135345 - 2³ = 263044135337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263044135298 and 263044135307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549895 + ... + 910204.

It is an arithmetic number, because the mean of its divisors is an integer number (19947886200).

Almost surely, 2^263044135345 is an apocalyptic number.

It is an amenable number.

263044135345 is a deficient number, since it is larger than the sum of its proper divisors (56122043855).

263044135345 is a wasteful number, since it uses less digits than its factorization.

263044135345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460504.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 263044135345 in words is "two hundred sixty-three billion, forty-four million, one hundred thirty-five thousand, three hundred forty-five".