948115609 has 4 divisors (see below), whose sum is σ = 1083560704. Its totient is φ = 812670516.

The previous prime is 948115607. The next prime is 948115627. The reversal of 948115609 is 906511849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906511849 = 22727 ⋅39887.

It is not a de Polignac number, because 948115609 - 2¹ = 948115607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948115607) 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, 67722537 + ... + 67722550.

It is an arithmetic number, because the mean of its divisors is an integer number (270890176).

Almost surely, 2^948115609 is an apocalyptic number.

It is an amenable number.

948115609 is a deficient number, since it is larger than the sum of its proper divisors (135445095).

948115609 is a wasteful number, since it uses less digits than its factorization.

948115609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135445094.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 948115609 is about 30791.4859823296. The cubic root of 948115609 is about 982.3971612045.

The spelling of 948115609 in words is "nine hundred forty-eight million, one hundred fifteen thousand, six hundred nine".