9170745802 has 4 divisors (see below), whose sum is σ = 13756118706. Its totient is φ = 4585372900.

The previous prime is 9170745781. The next prime is 9170745809. The reversal of 9170745802 is 2085470719.

9170745802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2085470719 = 31 ⋅67273249.

It can be written as a sum of positive squares in only one way, i.e., 9059042041 + 111703761 = 95179^2 + 10569^2 .

It is not an unprimeable number, because it can be changed into a prime (9170745809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2292686449 + ... + 2292686452.

Almost surely, 2^9170745802 is an apocalyptic number.

9170745802 is a deficient number, since it is larger than the sum of its proper divisors (4585372904).

9170745802 is a wasteful number, since it uses less digits than its factorization.

9170745802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585372903.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 9170745802 is about 95764.0109957807. The cubic root of 9170745802 is about 2093.1557830522.

The spelling of 9170745802 in words is "nine billion, one hundred seventy million, seven hundred forty-five thousand, eight hundred two".