263433421153 has 16 divisors (see below), whose sum is σ = 302087607424. Its totient is φ = 225034951680.

The previous prime is 263433421127. The next prime is 263433421187. The reversal of 263433421153 is 351124334362.

It is a happy number.

263433421153 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 263433421153 - 2²¹ = 263431324001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263433421123) 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 15 ways as a sum of consecutive naturals, for example, 6739201 + ... + 6778177.

It is an arithmetic number, because the mean of its divisors is an integer number (18880475464).

Almost surely, 2^263433421153 is an apocalyptic number.

It is an amenable number.

263433421153 is a deficient number, since it is larger than the sum of its proper divisors (38654186271).

263433421153 is a wasteful number, since it uses less digits than its factorization.

263433421153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42232.

The product of its digits is 155520, while the sum is 37.

The spelling of 263433421153 in words is "two hundred sixty-three billion, four hundred thirty-three million, four hundred twenty-one thousand, one hundred fifty-three".