890140457193 has 24 divisors (see below), whose sum is σ = 1352813914080. Its totient is φ = 518948277120.

The previous prime is 890140457191. The next prime is 890140457203. The reversal of 890140457193 is 391754041098.

It is not a de Polignac number, because 890140457193 - 2¹ = 890140457191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (890140457191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46193028 + ... + 46212293.

It is an arithmetic number, because the mean of its divisors is an integer number (56367246420).

Almost surely, 2^890140457193 is an apocalyptic number.

It is an amenable number.

890140457193 is a deficient number, since it is larger than the sum of its proper divisors (462673456887).

890140457193 is a wasteful number, since it uses less digits than its factorization.

890140457193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92405369 (or 92405356 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 890140457193 in words is "eight hundred ninety billion, one hundred forty million, four hundred fifty-seven thousand, one hundred ninety-three".