245442760263 has 24 divisors (see below), whose sum is σ = 355117190688. Its totient is φ = 163356927552.

The previous prime is 245442760261. The next prime is 245442760273. The reversal of 245442760263 is 362067244542.

245442760263 is a `hidden beast` number, since 2 + 4 + 544 + 27 + 60 + 26 + 3 = 666.

245442760263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245442760263 - 2¹ = 245442760261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245442760261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33836545 + ... + 33843797.

It is an arithmetic number, because the mean of its divisors is an integer number (14796549612).

Almost surely, 2^245442760263 is an apocalyptic number.

245442760263 is a deficient number, since it is larger than the sum of its proper divisors (109674430425).

245442760263 is a wasteful number, since it uses less digits than its factorization.

245442760263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12983 (or 12980 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 245442760263 in words is "two hundred forty-five billion, four hundred forty-two million, seven hundred sixty thousand, two hundred sixty-three".