9149746213 has 8 divisors (see below), whose sum is σ = 9324315000. Its totient is φ = 8975249088.

The previous prime is 9149746189. The next prime is 9149746217. The reversal of 9149746213 is 3126479419.

It can be written as a sum of positive squares in 4 ways, for example, as 2217185569 + 6932560644 = 47087^2 + 83262^2 .

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 9149746213 - 2²¹ = 9147649061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9149746217) 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 7 ways as a sum of consecutive naturals, for example, 289683 + ... + 319711.

It is an arithmetic number, because the mean of its divisors is an integer number (1165539375).

Almost surely, 2^9149746213 is an apocalyptic number.

It is an amenable number.

9149746213 is a deficient number, since it is larger than the sum of its proper divisors (174568787).

9149746213 is a wasteful number, since it uses less digits than its factorization.

9149746213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831.

The product of its digits is 326592, while the sum is 46.

The square root of 9149746213 is about 95654.3057734465. The cubic root of 9149746213 is about 2091.5568943970.

The spelling of 9149746213 in words is "nine billion, one hundred forty-nine million, seven hundred forty-six thousand, two hundred thirteen".