263457664005 has 16 divisors (see below), whose sum is σ = 421640247744. Its totient is φ = 140474759040.

The previous prime is 263457663883. The next prime is 263457664021. The reversal of 263457664005 is 500466754362.

It is not a de Polignac number, because 263457664005 - 2¹⁰ = 263457662981 is a prime.

It is a congruent number.

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, 2189136 + ... + 2306345.

It is an arithmetic number, because the mean of its divisors is an integer number (26352515484).

Almost surely, 2^263457664005 is an apocalyptic number.

It is an amenable number.

263457664005 is a deficient number, since it is larger than the sum of its proper divisors (158182583739).

263457664005 is a wasteful number, since it uses less digits than its factorization.

263457664005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499396.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 263457664005 in words is "two hundred sixty-three billion, four hundred fifty-seven million, six hundred sixty-four thousand, five".