9800164469 has 4 divisors (see below), whose sum is σ = 9802088544. Its totient is φ = 9798240396.

The previous prime is 9800164463. The next prime is 9800164483. The reversal of 9800164469 is 9644610089.

It is a happy number.

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 9800164469 - 2¹² = 9800160373 is a prime.

It is a super-2 number, since 2×9800164469² (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 (9800164463) by changing a digit.

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, 954377 + ... + 964590.

It is an arithmetic number, because the mean of its divisors is an integer number (2450522136).

Almost surely, 2^9800164469 is an apocalyptic number.

It is an amenable number.

9800164469 is a deficient number, since it is larger than the sum of its proper divisors (1924075).

9800164469 is a wasteful number, since it uses less digits than its factorization.

9800164469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924074.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 9800164469 is about 98995.7800565256. The cubic root of 9800164469 is about 2139.9869324762.

The spelling of 9800164469 in words is "nine billion, eight hundred million, one hundred sixty-four thousand, four hundred sixty-nine".