90585792019 has 8 divisors (see below), whose sum is σ = 93102412608. Its totient is φ = 88093724160.

The previous prime is 90585792007. The next prime is 90585792047. The reversal of 90585792019 is 91029758509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90585792019 - 2⁵ = 90585791987 is a prime.

It is a super-2 number, since 2×90585792019² (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 (90585792079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130702 + ... + 6145459.

It is an arithmetic number, because the mean of its divisors is an integer number (11637801576).

Almost surely, 2^90585792019 is an apocalyptic number.

90585792019 is a deficient number, since it is larger than the sum of its proper divisors (2516620589).

90585792019 is a wasteful number, since it uses less digits than its factorization.

90585792019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12276365.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 90585792019 in words is "ninety billion, five hundred eighty-five million, seven hundred ninety-two thousand, nineteen".