90459119 has 2 divisors, whose sum is σ = 90459120. Its totient is φ = 90459118.

The previous prime is 90459097. The next prime is 90459139. The reversal of 90459119 is 91195409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90459119 - 2¹² = 90455023 is a prime.

It is a super-2 number, since 2×90459119² = 16365704420512322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90459139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45229559 + 45229560.

It is an arithmetic number, because the mean of its divisors is an integer number (45229560).

Almost surely, 2^90459119 is an apocalyptic number.

90459119 is a deficient number, since it is larger than the sum of its proper divisors (1).

90459119 is an equidigital number, since it uses as much as digits as its factorization.

90459119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 90459119 is about 9510.9998948586. Note that the first 3 decimals coincide. The cubic root of 90459119 is about 448.9012188387.

The spelling of 90459119 in words is "ninety million, four hundred fifty-nine thousand, one hundred nineteen".