263914421343 has 8 divisors (see below), whose sum is σ = 351888278448. Its totient is φ = 175941755904.

The previous prime is 263914421339. The next prime is 263914421347. The reversal of 263914421343 is 343124419362.

It is an interprime number because it is at equal distance from previous prime (263914421339) and next prime (263914421347).

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

It is not a de Polignac number, because 263914421343 - 2² = 263914421339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263914421295 and 263914421304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263914421347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646921 + ... + 972797.

It is an arithmetic number, because the mean of its divisors is an integer number (43986034806).

Almost surely, 2^263914421343 is an apocalyptic number.

263914421343 is a deficient number, since it is larger than the sum of its proper divisors (87973857105).

263914421343 is a wasteful number, since it uses less digits than its factorization.

263914421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595833.

The product of its digits is 373248, while the sum is 42.

The spelling of 263914421343 in words is "two hundred sixty-three billion, nine hundred fourteen million, four hundred twenty-one thousand, three hundred forty-three".