469429391 has 2 divisors, whose sum is σ = 469429392. Its totient is φ = 469429390.

The previous prime is 469429369. The next prime is 469429393. The reversal of 469429391 is 193924964.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469429391 - 2²² = 465235087 is a prime.

It is a Sophie Germain prime.

Together with 469429393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469429393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234714695 + 234714696.

It is an arithmetic number, because the mean of its divisors is an integer number (234714696).

Almost surely, 2^469429391 is an apocalyptic number.

469429391 is a deficient number, since it is larger than the sum of its proper divisors (1).

469429391 is an equidigital number, since it uses as much as digits as its factorization.

469429391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 469429391 is about 21666.3192767023. The cubic root of 469429391 is about 777.1832387971.

The spelling of 469429391 in words is "four hundred sixty-nine million, four hundred twenty-nine thousand, three hundred ninety-one".