90052005019 has 4 divisors (see below), whose sum is σ = 90099228744. Its totient is φ = 90004781296.

The previous prime is 90052004983. The next prime is 90052005023. The reversal of 90052005019 is 91050025009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91050025009 = 997 ⋅91323997.

It is a cyclic number.

It is not a de Polignac number, because 90052005019 - 2¹⁵ = 90051972251 is a prime.

It is a super-2 number, since 2×90052005019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90052005079) 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 in 3 ways as a sum of consecutive naturals, for example, 23609002 + ... + 23612815.

It is an arithmetic number, because the mean of its divisors is an integer number (22524807186).

Almost surely, 2^90052005019 is an apocalyptic number.

90052005019 is a deficient number, since it is larger than the sum of its proper divisors (47223725).

90052005019 is a wasteful number, since it uses less digits than its factorization.

90052005019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47223724.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 90052005019 in words is "ninety billion, fifty-two million, five thousand, nineteen".