469850891 has 2 divisors, whose sum is σ = 469850892. Its totient is φ = 469850890.

The previous prime is 469850819. The next prime is 469850893. The reversal of 469850891 is 198058964.

It is a happy number.

Together with previous prime (469850819) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469850891 - 2¹⁴ = 469834507 is a prime.

Together with 469850893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (469850893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234925445 + 234925446.

It is an arithmetic number, because the mean of its divisors is an integer number (234925446).

Almost surely, 2^469850891 is an apocalyptic number.

469850891 is a deficient number, since it is larger than the sum of its proper divisors (1).

469850891 is an equidigital number, since it uses as much as digits as its factorization.

469850891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 469850891 is about 21676.0441732342. The cubic root of 469850891 is about 777.4157797961.

The spelling of 469850891 in words is "four hundred sixty-nine million, eight hundred fifty thousand, eight hundred ninety-one".