8343019261 has 4 divisors (see below), whose sum is σ = 8424019552. Its totient is φ = 8262018972.

The previous prime is 8343019213. The next prime is 8343019283. The reversal of 8343019261 is 1629103438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8343019261 - 2¹¹ = 8343017213 is a prime.

It is a super-2 number, since 2×8343019261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8343019261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8343019211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40499991 + ... + 40500196.

It is an arithmetic number, because the mean of its divisors is an integer number (2106004888).

Almost surely, 2^8343019261 is an apocalyptic number.

It is an amenable number.

8343019261 is a deficient number, since it is larger than the sum of its proper divisors (81000291).

8343019261 is a wasteful number, since it uses less digits than its factorization.

8343019261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81000290.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 8343019261 is about 91340.1295214759. The cubic root of 8343019261 is about 2028.1858513072.

The spelling of 8343019261 in words is "eight billion, three hundred forty-three million, nineteen thousand, two hundred sixty-one".