948948964109 has 4 divisors (see below), whose sum is σ = 948953337180. Its totient is φ = 948944591040.

The previous prime is 948948964081. The next prime is 948948964121. The reversal of 948948964109 is 901469849849.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 703161071209 + 245787892900 = 838547^2 + 495770^2 .

It is a cyclic number.

It is not a de Polignac number, because 948948964109 - 2²⁰ = 948947915533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948948964189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843052 + ... + 2301029.

It is an arithmetic number, because the mean of its divisors is an integer number (237238334295).

Almost surely, 2^948948964109 is an apocalyptic number.

It is an amenable number.

948948964109 is a deficient number, since it is larger than the sum of its proper divisors (4373071).

948948964109 is a wasteful number, since it uses less digits than its factorization.

948948964109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373070.

The product of its (nonzero) digits is 161243136, while the sum is 71.

The spelling of 948948964109 in words is "nine hundred forty-eight billion, nine hundred forty-eight million, nine hundred sixty-four thousand, one hundred nine".