9173401378 has 4 divisors (see below), whose sum is σ = 13760102070. Its totient is φ = 4586700688.

The previous prime is 9173401313. The next prime is 9173401403. The reversal of 9173401378 is 8731043719.

9173401378 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: 8731043719 = 17 ⋅513590807.

It can be written as a sum of positive squares in only one way, i.e., 6645021289 + 2528380089 = 81517^2 + 50283^2 .

It is an unprimeable number.

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, 2293350343 + ... + 2293350346.

Almost surely, 2^9173401378 is an apocalyptic number.

9173401378 is a deficient number, since it is larger than the sum of its proper divisors (4586700692).

9173401378 is a wasteful number, since it uses less digits than its factorization.

9173401378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586700691.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 9173401378 is about 95777.8752009043. The cubic root of 9173401378 is about 2093.3578021660.

The spelling of 9173401378 in words is "nine billion, one hundred seventy-three million, four hundred one thousand, three hundred seventy-eight".