814324324261 has 4 divisors (see below), whose sum is σ = 930656370592. Its totient is φ = 697992277932.

The previous prime is 814324324193. The next prime is 814324324343. The reversal of 814324324261 is 162423423418.

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, and also an emirpimes, since its reverse is a distinct semiprime: 162423423418 = 2 ⋅81211711709.

It is a cyclic number.

It is not a de Polignac number, because 814324324261 - 2³⁹ = 264568510373 is a prime.

It is a super-2 number, since 2×814324324261² (a number of 25 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 (814324324661) 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, 58166023155 + ... + 58166023168.

It is an arithmetic number, because the mean of its divisors is an integer number (232664092648).

Almost surely, 2^814324324261 is an apocalyptic number.

It is an amenable number.

814324324261 is a deficient number, since it is larger than the sum of its proper divisors (116332046331).

814324324261 is a wasteful number, since it uses less digits than its factorization.

814324324261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116332046330.

The product of its digits is 221184, while the sum is 40.

Adding to 814324324261 its reverse (162423423418), we get a palindrome (976747747679).

The spelling of 814324324261 in words is "eight hundred fourteen billion, three hundred twenty-four million, three hundred twenty-four thousand, two hundred sixty-one".