90029049919 has 2 divisors, whose sum is σ = 90029049920. Its totient is φ = 90029049918.

The previous prime is 90029049911. The next prime is 90029049989. The reversal of 90029049919 is 91994092009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90029049919 - 2³ = 90029049911 is a prime.

It is a super-2 number, since 2×90029049919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90029049911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45014524959 + 45014524960.

It is an arithmetic number, because the mean of its divisors is an integer number (45014524960).

Almost surely, 2^90029049919 is an apocalyptic number.

90029049919 is a deficient number, since it is larger than the sum of its proper divisors (1).

90029049919 is an equidigital number, since it uses as much as digits as its factorization.

90029049919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 90029049919 in words is "ninety billion, twenty-nine million, forty-nine thousand, nine hundred nineteen".