9201889213 has 4 divisors (see below), whose sum is σ = 10038424608. Its totient is φ = 8365353820.

The previous prime is 9201889201. The next prime is 9201889231. The reversal of 9201889213 is 3129881029.

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.

It is a cyclic number.

It is not a de Polignac number, because 9201889213 - 2⁵ = 9201889181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9201889213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9201880213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418267681 + ... + 418267702.

It is an arithmetic number, because the mean of its divisors is an integer number (2509606152).

Almost surely, 2^9201889213 is an apocalyptic number.

It is an amenable number.

9201889213 is a deficient number, since it is larger than the sum of its proper divisors (836535395).

9201889213 is a wasteful number, since it uses less digits than its factorization.

9201889213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836535394.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 9201889213 is about 95926.4781642691. The cubic root of 9201889213 is about 2095.5225246952.

The spelling of 9201889213 in words is "nine billion, two hundred one million, eight hundred eighty-nine thousand, two hundred thirteen".