10213489287 has 16 divisors (see below), whose sum is σ = 15540045280. Its totient is φ = 6624965376.

The previous prime is 10213489283. The next prime is 10213489289. The reversal of 10213489287 is 78298431201.

It is a happy number.

10213489287 is a `hidden beast` number, since 1 + 0 + 21 + 348 + 9 + 287 = 666.

It is not a de Polignac number, because 10213489287 - 2² = 10213489283 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 (10213489283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5110858 + ... + 5112855.

It is an arithmetic number, because the mean of its divisors is an integer number (971252830).

Almost surely, 2^10213489287 is an apocalyptic number.

10213489287 is a deficient number, since it is larger than the sum of its proper divisors (5326555993).

10213489287 is a wasteful number, since it uses less digits than its factorization.

10213489287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223759 (or 10223753 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

It can be divided in two parts, 10213 and 489287, that added together give a triangular number (499500 = T₉₉₉).

The spelling of 10213489287 in words is "ten billion, two hundred thirteen million, four hundred eighty-nine thousand, two hundred eighty-seven".