10009171764 has 18 divisors (see below), whose sum is σ = 25300962050. Its totient is φ = 3336390576.

The previous prime is 10009171729. The next prime is 10009171769. The reversal of 10009171764 is 46717190001.

It can be written as a sum of positive squares in only one way, i.e., 8530000164 + 1479171600 = 92358^2 + 38460^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 278032549 = 10009171764 / (1 + 0 + 0 + 0 + 9 + 1 + 7 + 1 + 7 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009171769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139016239 + ... + 139016310.

Almost surely, 2^10009171764 is an apocalyptic number.

It is an amenable number.

10009171764 is an abundant number, since it is smaller than the sum of its proper divisors (15291790286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10009171764 is a wasteful number, since it uses less digits than its factorization.

10009171764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278032559 (or 278032554 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The spelling of 10009171764 in words is "ten billion, nine million, one hundred seventy-one thousand, seven hundred sixty-four".