9148999994 has 8 divisors (see below), whose sum is σ = 13724345460. Its totient is φ = 4574218176.

The previous prime is 9148999987. The next prime is 9148999997. The reversal of 9148999994 is 4999998419.

It can be written as a sum of positive squares in 2 ways, for example, as 5785579969 + 3363420025 = 76063^2 + 57995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9148999997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97679 + ... + 166850.

Almost surely, 2^9148999994 is an apocalyptic number.

9148999994 is a deficient number, since it is larger than the sum of its proper divisors (4575345466).

9148999994 is a wasteful number, since it uses less digits than its factorization.

9148999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281824.

The product of its digits is 68024448, while the sum is 71.

The square root of 9148999994 is about 95650.4050906215. The cubic root of 9148999994 is about 2091.5000330047.

The spelling of 9148999994 in words is "nine billion, one hundred forty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-four".