1889685213 has 8 divisors (see below), whose sum is σ = 2713394208. Its totient is φ = 1162883184.

The previous prime is 1889685209. The next prime is 1889685233. The reversal of 1889685213 is 3125869881.

1889685213 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1889685213 - 2² = 1889685209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889685233) 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, 24226695 + ... + 24226772.

It is an arithmetic number, because the mean of its divisors is an integer number (339174276).

Almost surely, 2^1889685213 is an apocalyptic number.

1889685213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1889685213 is a deficient number, since it is larger than the sum of its proper divisors (823708995).

1889685213 is a wasteful number, since it uses less digits than its factorization.

1889685213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48453483.

The product of its digits is 829440, while the sum is 51.

The square root of 1889685213 is about 43470.5096933542. The cubic root of 1889685213 is about 1236.3169444893.

The spelling of 1889685213 in words is "one billion, eight hundred eighty-nine million, six hundred eighty-five thousand, two hundred thirteen".