469020091 has 2 divisors, whose sum is σ = 469020092. Its totient is φ = 469020090.

The previous prime is 469020047. The next prime is 469020113. The reversal of 469020091 is 190020964.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469020091 - 2¹³ = 469011899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (469020011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234510045 + 234510046.

It is an arithmetic number, because the mean of its divisors is an integer number (234510046).

Almost surely, 2^469020091 is an apocalyptic number.

469020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

469020091 is an equidigital number, since it uses as much as digits as its factorization.

469020091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 469020091 is about 21656.8716808315. The cubic root of 469020091 is about 776.9572952705.

The spelling of 469020091 in words is "four hundred sixty-nine million, twenty thousand, ninety-one".