263253473431 has 8 divisors (see below), whose sum is σ = 283640004144. Its totient is φ = 242886408960.

The previous prime is 263253473423. The next prime is 263253473447. The reversal of 263253473431 is 134374352362.

263253473431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263253473431 - 2³ = 263253473423 is a prime.

It is a super-2 number, since 2×263253473431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263253453431) 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 7 ways as a sum of consecutive naturals, for example, 4838461 + ... + 4892566.

It is an arithmetic number, because the mean of its divisors is an integer number (35455000518).

Almost surely, 2^263253473431 is an apocalyptic number.

263253473431 is a deficient number, since it is larger than the sum of its proper divisors (20386530713).

263253473431 is a wasteful number, since it uses less digits than its factorization.

263253473431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733121.

The product of its digits is 1088640, while the sum is 43.

The spelling of 263253473431 in words is "two hundred sixty-three billion, two hundred fifty-three million, four hundred seventy-three thousand, four hundred thirty-one".