1896650893 has 4 divisors (see below), whose sum is σ = 1911585280. Its totient is φ = 1881716508.

The previous prime is 1896650869. The next prime is 1896650911. The reversal of 1896650893 is 3980566981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3980566981 = 97 ⋅41036773.

It is a cyclic number.

It is not a de Polignac number, because 1896650893 - 2²⁵ = 1863096461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896650803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7467003 + ... + 7467256.

It is an arithmetic number, because the mean of its divisors is an integer number (477896320).

Almost surely, 2^1896650893 is an apocalyptic number.

It is an amenable number.

1896650893 is a deficient number, since it is larger than the sum of its proper divisors (14934387).

1896650893 is a wasteful number, since it uses less digits than its factorization.

1896650893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934386.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 1896650893 is about 43550.5555992114. Note that the first 4 decimals coincide. The cubic root of 1896650893 is about 1237.8341686805.

The spelling of 1896650893 in words is "one billion, eight hundred ninety-six million, six hundred fifty thousand, eight hundred ninety-three".