9997250189 has 8 divisors (see below), whose sum is σ = 10045194432. Its totient is φ = 9949407840.

The previous prime is 9997250183. The next prime is 9997250191. The reversal of 9997250189 is 9810527999.

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

It is a cyclic number.

It is not a de Polignac number, because 9997250189 - 2²⁴ = 9980472973 is a prime.

It is a super-2 number, since 2×9997250189² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997250183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174977 + ... + 224969.

It is an arithmetic number, because the mean of its divisors is an integer number (1255649304).

Almost surely, 2^9997250189 is an apocalyptic number.

It is an amenable number.

9997250189 is a deficient number, since it is larger than the sum of its proper divisors (47944243).

9997250189 is a wasteful number, since it uses less digits than its factorization.

9997250189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50947.

The product of its (nonzero) digits is 3674160, while the sum is 59.

The square root of 9997250189 is about 99986.2499996875. The cubic root of 9997250189 is about 2154.2371956547.

The spelling of 9997250189 in words is "nine billion, nine hundred ninety-seven million, two hundred fifty thousand, one hundred eighty-nine".