814350869 has 4 divisors (see below), whose sum is σ = 815211744. Its totient is φ = 813489996.

The previous prime is 814350853. The next prime is 814350941. The reversal of 814350869 is 968053418.

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: 968053418 = 2 ⋅484026709.

It is a cyclic number.

It is not a de Polignac number, because 814350869 - 2⁴ = 814350853 is a prime.

It is a super-2 number, since 2×814350869² = 1326334675682110322, which 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 (814350839) 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, 429017 + ... + 430910.

It is an arithmetic number, because the mean of its divisors is an integer number (203802936).

Almost surely, 2^814350869 is an apocalyptic number.

It is an amenable number.

814350869 is a deficient number, since it is larger than the sum of its proper divisors (860875).

814350869 is an equidigital number, since it uses as much as digits as its factorization.

814350869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860874.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 814350869 is about 28536.8335489416. The cubic root of 814350869 is about 933.8358045959.

The spelling of 814350869 in words is "eight hundred fourteen million, three hundred fifty thousand, eight hundred sixty-nine".