948153691 has 4 divisors (see below), whose sum is σ = 950696032. Its totient is φ = 945611352.

The previous prime is 948153677. The next prime is 948153707. The reversal of 948153691 is 196351849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196351849 = 71 ⋅2765519.

It is a cyclic number.

It is not a de Polignac number, because 948153691 - 2¹¹ = 948151643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948153671) 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, 1270611 + ... + 1271356.

It is an arithmetic number, because the mean of its divisors is an integer number (237674008).

Almost surely, 2^948153691 is an apocalyptic number.

948153691 is a deficient number, since it is larger than the sum of its proper divisors (2542341).

948153691 is a wasteful number, since it uses less digits than its factorization.

948153691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542340.

The product of its digits is 233280, while the sum is 46.

The square root of 948153691 is about 30792.1043613456. The cubic root of 948153691 is about 982.4103140125.

The spelling of 948153691 in words is "nine hundred forty-eight million, one hundred fifty-three thousand, six hundred ninety-one".