263440712045051 has 32 divisors (see below), whose sum is σ = 273067980192000. Its totient is φ = 253978470054400.

The previous prime is 263440712045047. The next prime is 263440712045053. The reversal of 263440712045051 is 150540217044362.

It is a cyclic number.

It is not a de Polignac number, because 263440712045051 - 2² = 263440712045047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263440712044993 and 263440712045011.

It is not an unprimeable number, because it can be changed into a prime (263440712045053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4084383200 + ... + 4084447698.

It is an arithmetic number, because the mean of its divisors is an integer number (8533374381000).

Almost surely, 2^{263440712045051} is an apocalyptic number.

263440712045051 is a deficient number, since it is larger than the sum of its proper divisors (9627268146949).

263440712045051 is a wasteful number, since it uses less digits than its factorization.

263440712045051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66955.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 263440712045051 in words is "two hundred sixty-three trillion, four hundred forty billion, seven hundred twelve million, forty-five thousand, fifty-one".