1934889265 has 4 divisors (see below), whose sum is σ = 2321867124. Its totient is φ = 1547911408.

The previous prime is 1934889233. The next prime is 1934889311. The reversal of 1934889265 is 5629884391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5629884391 = 149 ⋅37784459.

It can be written as a sum of positive squares in 2 ways, for example, as 1390320369 + 544568896 = 37287^2 + 23336^2 .

It is a cyclic number.

It is not a de Polignac number, because 1934889265 - 2⁵ = 1934889233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 193488922 + ... + 193488931.

It is an arithmetic number, because the mean of its divisors is an integer number (580466781).

Almost surely, 2^1934889265 is an apocalyptic number.

It is an amenable number.

1934889265 is a deficient number, since it is larger than the sum of its proper divisors (386977859).

1934889265 is an equidigital number, since it uses as much as digits as its factorization.

1934889265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386977858.

The product of its digits is 3732480, while the sum is 55.

The square root of 1934889265 is about 43987.3762004510. The cubic root of 1934889265 is about 1246.0975391850.

The spelling of 1934889265 in words is "one billion, nine hundred thirty-four million, eight hundred eighty-nine thousand, two hundred sixty-five".